FACTOID # 149: Norwegians consume more than 15 times as much coffee per person as the Irish.
 
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Encyclopedia > List of biomedical topics, S

This is part of a collection of lists with the terms used in biological and medical research. Source: public domain CRISP Thesaurus maintained by the Office of Extramural Research at the National Institutes of Health [1] (http://crisp.cit.nih.gov/). Biology studies the variety of life (clockwise from top-left) E. coli, tree fern, gazelle, Goliath beetle Biology is the science of life (from the Greek words bios = life and logos = word). ... See drugs, medication, and pharmacology for substances that are used to treat patients. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ...


Lists of biomedical topics: | # | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z These are collection of lists with the terms used in biological and medical research. ... This is a list of terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ... ... This is part of a collection of lists with the terms used in biological and medical research. ... This is part of a collection of lists with the terms used in biological and medical research. ...

S adenosylmethionine -- S antigen -- S nucleosidylaminoacid -- S phase (cell cycle) -- S-S rearrangase -- S06 grant -- S07 grant -- S10 grant -- S14 grant -- S15 grant -- S35 isotope -- SA 11 simian virus -- SA2 virus -- Sabia virus -- sac fungi -- saccade -- saccharase -- saccharogen amylase -- Saccharomyces -- Saccharomyces cerevisiae -- sacral vertebrae -- sadism -- sadness -- sadomasochism -- Saethre Chotzen syndrome -- safe sex /sex abstinence -- safety engineering -- safety equipment -- safrole -- SAGE -- Sagiyama virus -- Saguinus -- SAIDS -- Saimiri -- Saimirine herpesvirus 1 -- Saint Johns wort -- salamander -- salazosulfapyridine -- salicylate -- salicylazosulfapyride -- Salientia -- saline -- saliva -- salivary disorder -- salivary gland -- salivary gland disorder -- salivary gland neoplasm -- salivary gland virus -- salivary sulfated glycoprotein -- salivation -- salmon -- Salmonella -- Salmonella food poisoning -- Salmonella infection -- Salmonella typhi -- Salmonella typhimurium -- Salmonella vaccine -- Salmonellosis -- Salmonidae -- salpingectomy -- salpingitis -- salt -- salt bacteria -- salt balance -- salt gland -- salt hypertension from excess dietary salt -- salt intake -- salt water environment -- salt water organism -- saluresis -- saluretic -- Salvadoran -- SAM -- Samoan -- sample collection -- sampling -- San Joaquin Valley fever -- sand dollar -- sandfly -- sandfly fever virus group -- Sandhoff disease -- Sandhoff Jatzkewitz disease -- sandimmune -- Sandjimba virus -- Sandostatin -- Sanfilippo's syndrome -- sanitation -- Santeria -- Sao Paulo typhus -- SAPK -- saquinavir -- saralasin -- sarcochlorin -- Sarcodina -- sarcoidosis -- sarcolemma -- sarcolysin -- sarcoma -- sarcoma 180 -- sarcomere -- sarcopenia -- Sarcophagidae -- sarcoplasmic reticulum -- sarcosine -- sarin -- SARS -- SARS virus -- satellite cell -- satellite virus -- satiation -- satiety -- satiety center -- satisfaction -- saturated bonds -- saturated fat -- saturated fatty acid -- Saudi Arabia -- saw palmetto -- saxitoxin -- SC58635 -- scabies -- scallop -- Scalopus aquaticus -- scalp -- Scandentia -- Scandinavian -- Scandinavian country -- scanning electron microscopy -- scanning force microscopy -- scanning transmission electron microscopy -- scanning tunneling microscopy -- scar -- scarlet fever -- scatter factor -- scavenger receptor -- SCD -- SCF -- SCH 23390 -- SCH52365 -- Scheuermann's disease -- Schiff base -- Schilder's disease -- Schilling's leukemia -- Schistosoma -- Schistosoma hematobium -- Schistosoma japonicum -- Schistosoma mansoni -- schistosomiasis -- schizoaffective disorder -- schizoid personality -- schizophrenia -- Schizophyta -- Schizosaccharomyces pombe -- schizotypal personality disorder -- Schlemm's canal -- Schlemm's canal occlusion -- Schmidt syndrome -- school -- school health service -- Schultz syndrome -- Schwalbe's nucleus -- Schwann cell -- schwannoma -- sciatic nerve -- sciatica -- SCID -- SCID hu mouse -- SCID mouse -- science education -- scientific organization -- scinderin -- scintigraphy -- scintillation camera -- scintillation counter -- scintillation spectrometry -- Sciuridae -- Sciuromorpha -- SCLC -- sclera -- scleral encircling -- scleredema -- scleroderma -- scleroprotein -- sclerosis -- SCN -- scoliosis -- scopolamine -- scorpion -- Scotland -- scotoma -- scrapie -- screw worm -- scup -- scurvy -- Scyphozoa -- SDAV (sialodacryoadenitis virus) -- SDH -- SDS PAGE -- SDS polyacrylamide gel electrophoresis -- SDZ RAD -- sea anemone -- sea cucumber -- sea hare -- sea lily -- sea lion -- sea otter -- sea slug -- sea snail -- sea squirt -- sea star -- sea urchin -- sea water -- seafood -- seafood poisoning -- seal -- sealpox virus -- season -- seasonal affective disorder -- seasonal depression -- sebaceous gland -- sebaceous gland neoplasm -- seborrheic keratosis -- sebum -- SecB protein -- secobarbital -- second hand smoke -- second messenger -- second transplant -- secondary antibody deficiency -- secondary degeneration -- secondary immune deficiency -- secondary immune response -- secondary infection -- secondary school -- secretase -- secretin -- secretion -- secretory immune system -- secretory protein -- sectioning -- sedation -- sedative -- sedimentation -- sedimentation coefficient -- sedimentation constant -- sedimentation equilibrium -- sedimentation velocity -- seed -- seg (blood count) -- segmental glomerulonephritis -- segregation -- seizure -- selected ion monitoring -- selectide technique -- selectin -- selegiline -- selenated sulfur aminoacid -- selenium -- selenium binding protein -- selenium poisoning -- selenomethionine -- selenoprotein -- selenoprotein p -- self administration (animal or experimental) -- self administration (prescribed) -- self antigen -- self care -- self care (nonmedical) -- self concept -- self control -- self destructive behavior -- self diagnosis -- self esteem -- self examination -- self help -- self help organization -- self injurious behavior -- self medication -- self medication (nonprescribed) -- self medication (prescribed) -- self mutilating behavior -- self organization -- self reactive antibody -- self recognition (immune) -- self reliance -- self renewing cell -- self stimulation -- self tolerance (immune) -- Selomonas -- semantics -- semen -- Semicid -- semicircular canal -- semicircular duct -- semiconduction -- semiconductor -- semilunar valve -- seminal fluid -- seminal vesicle -- seminiferous tubule -- seminoma -- semiquinone -- Semliki Forest virus -- Sendai virus -- senecifoline -- senecine -- senecio alkaloid -- senescence -- senile deafness -- senile dementia -- senile plaque -- sensation -- sense organ -- sensitivity training -- sensitizing antigen -- sensor -- sensor (biological) -- sensorimotor control mechanism -- sensorimotor system -- sensorineural hearing loss -- sensory cortex -- sensory depression -- sensory deprivation -- sensory discrimination -- sensory disorder -- sensory disorder chemotherapy -- sensory disorder diagnosis -- sensory disorder pharmacotherapy -- sensory disorder therapy -- sensory feedback -- sensory gating -- sensory mechanism -- sensory motor system -- sensory nerve -- sensory neuropathy -- sensory receptor -- sensory signal detection -- sensory threshold -- sensory transducer cell -- Seoul virus -- separation -- Sephardim -- Sepia -- sepsis -- septal defect -- septal nuclei -- septic shock -- septicemia -- sequence tagged site -- sequential perception -- SER (smooth endoplasmic reticulum) -- Serbia -- serenoa repens -- serial analysis of gene expression -- serine -- serine dehydratase -- serine hydroxymethylase -- serine proteinase -- serine sulfhydrase -- serine threonine kinase -- serine threonine protein kinase -- serodiagnosis -- serology -- seropositive (AIDS test) -- serosa -- serotherapy preparation -- serotonin -- serotonin inhibitor -- serotonin receptor -- serotonin reuptake inhibitor -- serotonin transporter -- serotyping -- Serpasil -- serpins -- Serratia -- Serratia infection -- Serratia marcescens -- Sertoli cell -- Sertoli cell tumor -- sertraline -- serum -- serum albumin -- serum aminoacid -- serum free media -- serum globulin -- serum hepatitis -- serum protein -- serum sickness -- serum thymic factor -- sesquiterpene -- Seventh Day Adventist -- severe acute respiratory syndrome -- severe combined immunodeficiency -- severin -- sevin -- sewage -- sewage treatment -- sex -- sex abstinence -- sex abuse -- sex behavior -- sex behavior disorder -- sex chromosome -- sex cycle -- sex determinant antigen -- sex determination -- sex development -- sex development disorder -- sex difference -- sex differentiation -- sex differentiation disorder -- sex discrimination -- sex drive -- sex education -- sex factor -- sex hormone -- sex hormone analog -- sex linked trait -- sex offense -- sex partner -- sex role -- sex selection of fetus -- sex sterilization -- sexual abstinence -- sexual abuse -- sexual cell -- sexual dimorphism (cellular) -- sexual dimorphism (noncellular) -- sexual harassment -- sexual orientation -- sexual polymorphism (cellular) -- sexually transmitted disease -- Sezary syndrome -- SF 1 -- SF1 -- Sf9 cell line -- SFO (subfornical organ) -- SGP2 -- SH antigen (serum hepatitis antigen) -- sham feeding -- shared health service -- shark -- shear stress -- sheathed bacteria -- sheep -- sheep liver fluke -- sheeppox virus -- shibire gene product -- shiga toxin -- shiga-like toxin -- Shigella -- Shigella dysenteriae -- shigella toxin -- Shigella vaccine -- shigellosis -- shikimate -- shingles -- shivering -- shock -- shock (electrical injury) -- shock lung -- shock therapy -- Shope fibroma virus -- Shope papilloma -- Shope papilloma virus -- short bowel syndrome -- short chain fatty acid -- short gut syndrome -- short term memory -- shoulder -- shrew -- shrimp -- Shwartzman phenomenon -- Shy Drager syndrome -- sialadenitis -- sialate -- sialidase -- sialodenectomy -- sialomucin -- sialophorin -- sialylation -- sialyltransferase -- siamese fighting fish -- sibling -- sibling order -- sibling relations -- sicca syndrome -- sick building syndrome -- sickle cell anemia -- sickle cell crisis -- sickle cell disease -- sicklemia -- sickling inhibitor -- SICM (scanning ion conductance microscopy) -- side effect -- sideroblastic anemia -- siderophore -- siderosis -- SIDS -- sight for the blind -- sigma receptor -- sigmoid colon -- sigmoidoscopy -- sign -- sign language -- signal peptide -- signal recognition particle -- silane -- silibinin -- silicate -- silicic acid chromatography -- silicon -- silicon compound -- silicone gel -- silicone oil -- silicone rubber -- silicosis -- silkworm -- siloxane -- silver -- silver chloride electrode -- silver impregnation -- simian AIDS -- simian foamy virus -- simian hepatitis A virus -- simian human immunodeficiency virus -- simian immunodeficiency virus -- simian lymphoproliferative syndrome -- simian parainfluenza virus -- simian plasmodia -- simian T cell lymphotrophic virus -- simian virus -- simian virus 40 -- Simmonds' disease -- simple schizophrenia -- simple society -- Simplexvirus -- Simuliidae -- Simulium -- simvastatin -- Sin Nombre virus -- Sindbis virus -- Sinemet -- single cell analysis -- single molecule -- single nucleotide polymorphism -- single person -- single photon absorptiometry -- single photon emission computed tomography -- single strand conformation polymorphism -- singlet oxygen -- singlet state -- sinoatrial node -- sinusitis -- Siphonaptera -- Siphoviridae -- Sipple's syndrome -- sirolimus -- sister -- sister chromatid exchange -- site directed mutagenesis -- site specific DNA recombination (naturally occurring) -- sitosterol -- SIV -- size perception -- Sjogren Larsson syndrome -- Sjogren's syndrome -- skate -- skeletal circulation -- skeletal disorder -- skeletal disorder chemotherapy -- skeletal disorder diagnosis -- skeletal disorder pharmacotherapy -- skeletal disorder therapy -- skeletal imaging -- skeletal injury -- skeletal movement -- skeletal muscle -- skeletal muscle protease -- skeletal neoplasm -- skeletal pharmacology -- skeletal preservation -- skeletal prosthesis -- skeletal regeneration -- skeletal sonography -- skeletal stress -- skeletal surgery -- skeletal system -- skeletal transplantation -- skeletal visualization -- SKF 38393 -- skilled nursing facility -- skin -- skin abscess -- skin absorption -- skin allergy -- skin cancer -- skin chymotryptic proteinase -- skin circulation -- skin color -- skin derivative -- skin disorder -- skin disorder chemotherapy -- skin disorder diagnosis -- skin disorder pharmacotherapy -- skin hyperkeratosis -- skin hyperplasia -- skin hypersensitivity -- skin infection -- skin irritant -- skin irritation -- skin neoplasm -- skin patch -- skin pharmacology -- skin sensitizing antibody -- skin transplantation -- skin tryptase -- skin ulcer -- skull -- skull abnormality -- skunk -- slaframine -- SLE -- sleep -- sleep apnea -- sleep deprivation -- sleep disorder -- sleep disordered breathing -- sleep epilepsy -- sleep measurement -- sleep regulation -- sleep regulatory center -- sleep walking -- sleeping pill -- slime mold -- sloth -- Slovenia -- slow axonal flow -- slow axonal transport -- slow potential -- slow reaction (chemical) -- slow release drug -- slow virus infection of CNS -- slow wave sleep -- slug -- slum -- slum clearance -- small airways disease -- small bowel -- small cell carcinoma of lung -- small cell lung cancer -- small intestine -- small molecule -- small nuclear ribonucleoprotein -- small nuclear RNA -- small social group -- smallpox -- smallpox vaccine -- smallpox virus -- smegma -- smell -- Smith Lemli Opitz syndrome -- Smith Magenis syndrome -- Smith-Opitz-Inborn syndrome -- smog -- smoke inhalation -- smokeless tobacco -- smoking -- smoking cessation -- smoking hashish -- smoking marijuana -- smoking tobacco -- smooth muscle -- smooth muscle myosin light chain kinase -- smooth pursuit eye movement -- SMRT (Silencing Mediator of Retinoid Thyroid Receptor) -- SMX -- snail -- snake -- snake bite allergen -- snake bite poison -- snake bite venom -- SNCA -- sneezing -- sniffing drug -- snoring -- SNP -- snRNA -- snRNP -- snuff -- soap -- Sobemovirus -- sobriety -- social adaptation -- social adjustment -- social behavior -- social behavior disorder -- social change -- social class -- social competition -- social conformity -- social consciousness -- social control -- social cooperation -- social deprivation -- social desirability -- social distance -- social disturbance -- social dominance -- social environment -- social facilitation -- social group -- social group process -- social integration -- social mobility -- social model -- social organization -- social perception -- social problem -- social psychology -- social role -- social science -- social science research tag -- Social Security -- social separation -- social service -- social service evaluation -- social space -- social status -- social support network -- social work -- socialization -- socialized aggressive child behavior -- socialized nonaggressive child behavior -- socioeconomics -- socioenvironment -- sociolinguistics -- sociologist -- sociology -- sociometry -- sociopathic personality -- SOD -- sodium -- sodium acetylhomotaurine -- sodium bicarbonate -- sodium channel -- sodium channel blocker -- sodium chloride -- sodium hydrogen antiporter -- sodium hydrogen exchanger -- sodium ion -- sodium potassium ATPase -- sodium potassium exchanging ATPase -- sodium potassium pump -- sodium pump -- soft palate -- software design -- software development -- software engineering -- soil -- soil microbiology -- soil pollution -- soil sampling -- Soja hispida -- sol -- Solanaceae -- solar elastosis -- solar radiation -- solid solution -- solid state -- solid state electronics -- solitary tract nucleus -- solubility -- Solumedrol -- solute -- solution -- solution hybridization -- solvent -- solvent extraction -- solvolysis -- soma -- soman -- somatesthesia -- somatic afferent nerve -- somatic reflex -- somatomammotropin -- somatomedin -- somatosensory cortex -- somatostatin -- somatostatin analog -- somatotropin -- somatotype -- somatropin -- somesthesis -- somesthetic sensory cortex -- somnifacient -- sonar -- songbird -- sonogram -- sonography -- sooty mangabey -- sorbinil -- sorbitol -- sorbitol 6 phosphate dehydrogenase -- sorbitol dehydrogenase -- Sorex -- sorting -- SOS (son of sevenless) protein -- SOS exchange factor -- sotalol -- sound -- sound deprivation -- sound frequency -- sound frequency discrimination -- sound impedance -- sound induced deafness -- sound localization -- sound measurement -- sound perception -- South America -- South American -- South American hemorrhagic fever viruses -- southeast Asia -- southeast Asian -- southern blotting -- southern hybridization -- southwestern blotting -- Soviet Union -- sowbug -- soybean -- space medicine -- space perception -- spaces of Fontana -- Spanish American -- sparrow -- sparrowpox virus -- sparsomycin -- sparteine -- spasm -- spasmophemia -- spastic colon -- spastic diplegia -- spastic paralysis -- spastic pseudosclerosis -- spatial orientation -- SPB -- SPCL (synthetic peptide combinatorial library) -- special education -- special interest group -- species difference -- species typical behavior -- specific gravity -- specific language impairment -- specimen collection -- SPECT -- spectacles -- spectrin -- spectrofluorometry -- spectrometry -- spectrophosphorimetry -- spectrophotometry -- spectroscopy -- speech -- speech disorder -- speech disorder diagnosis -- speech perception -- speech recognition -- speech synthesizer -- speech therapy -- speech viewer -- speechreading -- spelling -- SPEM -- sperm -- sperm analysis -- sperm capacitation -- sperm count -- sperm mobility -- sperm morphology -- sperm motility -- sperm protein -- spermatic vein -- spermaticide -- spermatogenesis -- spermatogenesis inhibitor -- spermicide -- spermidine -- spermidine acetyltransferase -- spermidine spermine acetyltransferase -- spermine -- spermine acetyltransferase -- SPF (specific pathogen free) -- Sphaerophorus fusiformis -- spheroplast -- sphincter (rectal and anal) -- Sphingidae -- sphingolipid -- sphingolipidosis -- sphingomyelin -- sphingomyelin lipidosis -- sphingomyelin phosphodiesterase -- sphingomyelinase -- sphingomyelinase deficiency -- sphingosine -- sphinx moth -- sphygmomanometer -- spider -- spider monkey -- spider poison -- spike potential -- spina bifida -- spinach -- Spinacia -- spinal block -- spinal canal -- spinal column -- spinal cord -- spinal cord compression -- spinal cord disorder -- spinal cord imaging -- spinal cord injury -- spinal cord mapping -- spinal cord neoplasm -- spinal cord regeneration -- spinal cord surgery -- spinal cord visualization -- spinal disk injury -- spinal fluid -- spinal fusion -- spinal ganglion -- spinal hernia -- spinal meningocele -- spinal nerve -- spinal pathway -- spinal reflex -- spinal sclerosis hereditary -- spinal shock -- spinal tap -- spinal tract -- spinal trigeminal nucleus -- spindle pole body -- spine -- spine disorder -- spine injury -- spinothalamic tract -- spiramycin -- spirane -- spiritual healing -- spirituality -- spiro compound -- Spirochaetales -- spirochaetales infection -- spirochetal jaundice -- spirochete -- spirochetes disease -- spirometry -- spironolactone -- Spiroplasma -- splanchnic nerve -- spleen -- spleen disorder -- spleen exonuclease -- spleen neoplasm -- spleen phosphodiesterase -- spleen transplantation -- splenectomy -- splenomegaly -- spliceosome -- split brain -- Spodoptera frugiperda cell line -- spondylitis -- spondyloepiphyseal dysplasia -- sponge -- spongiform encephalopathy -- spongioblastoma multiforme -- spontaneous abortion -- spontaneous hypertensive rat -- spontaneous median nerve neuropathy -- Sporanos -- Sporanox -- spore -- sporogenesis -- sporotrichosis -- Sporozea -- sporozoite -- sports injury -- sports medicine -- spouse -- spouse abuse -- SPR -- spray (pharmacologic) -- spreading cortical depression -- spring beauty latent virus -- sprue -- Spumavirus -- sputum -- squalene -- Squamata -- squamous cell carcinoma -- squash mosaic virus -- squid -- SQUID (superconducting quantum interference device) -- squint -- squirrel -- squirrel fibroma virus -- squirrel monkey -- squirrel monkey retrovirus -- SQV -- [[Sr++ ion]] -- SR-47436 -- SR47436 -- SRBCR (sheep red blood cell receptor) -- SRP -- SRS (slow reacting substance) -- SSAT -- SSCP -- SSLP (simple sequence length polymorphism) -- SSV 1 virus group -- St Johns wort -- St Johnswort -- St. Louis encephalitis -- stable cell line -- stable factor -- stable fly -- stable isotope -- stable isotope diagnosis -- stable isotope double label -- Stachybotrys -- staining -- stammering -- standardization (biological) -- standing height -- stanolone -- stapes -- stapes surgery -- staphylococcal enterotoxin -- staphylococcal exotoxin -- staphylococcal hemolysin -- Staphylococcal pneumonia -- Staphylococcus -- Staphylococcus alpha toxin -- Staphylococcus aureus -- Staphylococcus delta toxin -- Staphylococcus epidermidis -- Staphylococcus infection -- staphylotoxin -- starch -- starch gel electrophoresis -- starch synthase -- starfish -- starling -- starling (bird) -- Starling (law) -- startle reaction -- starvation -- statistical center -- statistical model -- statistical service -- statistics -- status dysraphicus -- status epilepticus -- staurosporine -- stavudine -- STD -- stearate -- steatorrhea -- STEC -- steel -- steely hair syndrome -- Stein Lenventhal syndrome -- Steinert's disease -- stellate cell -- STEM -- stem cell -- stem cell factor -- stem cell therapy -- stem cell transplantation -- stenocardia -- stenosing cholangitis -- Stenotomas -- Stenotrophomonas -- stent -- stercobilin -- stereochemistry -- stereoisomer -- stereophotography -- stereoradiography -- stereotachistoscope -- stereotaxic technique -- stereotype -- stereotyped behavior (unconditioned) -- sterility -- sterilization of food -- steroid -- steroid 11beta hydroxylase -- steroid 11beta monooxygenase -- steroid 17alpha hydroxylase -- steroid 17alpha monooxygenase -- steroid 7alpha hydroxylase -- steroid analog -- steroid biosynthesis -- steroid delta isomerase -- steroid glycoside -- steroid glycoside aglycone -- steroid hormone -- steroid hormone analog -- steroid hormone biosynthesis -- steroid hormone metabolism -- steroid hormone receptor -- steroid hydroxylase -- steroid metabolism -- steroid metabolism disorder -- steroid spirolactone -- steroid sulfatase -- steroid sulfate -- steroidogenesis -- steroidogenic factor 1 -- sterol -- sterol 7alpha hydroxylase -- sterol ester -- sterol ester acylhydrolase -- sterol esterase -- sterylsulfatase -- STF -- STH (somatotropic hormone) -- stiff man syndrome -- stigma -- stilbamidine -- stilbene -- stilbene 2,4 diisocyanate -- stilbestrol -- Still's disease -- stillbirth -- stimulant -- stimulus -- stimulus generalization -- stimulus interval -- stingray -- STLV (simian T lymphotropic virus) type I -- STLV (simian T lymphotropic virus) type II -- STLV (simian T lymphotropic virus) type III -- STM -- stoichiometry -- stomach -- stomach atrophy -- stomach bypass -- stomach cancer -- stomach dilatation -- stomach disorder -- stomach emptying -- stomach lavage -- stomach motility -- stomach neoplasm -- stomach pressure -- stomach surgery -- stomach ulcer -- stomatitis -- stomatitis papulosa virus -- stomatocytosis -- Stomatopoda -- stool -- stop flow technique -- STP -- STR -- STR (short terminal repeat, nucleic acid) -- strabismus -- stratum corneum -- strength training -- Strepsirhini -- streptavidin -- Streptococcus -- Streptococcus agalactiae -- Streptococcus avium -- Streptococcus bovis -- Streptococcus cricetus -- Streptococcus enterococcus group -- Streptococcus faceium -- Streptococcus faecalis -- Streptococcus ferus -- Streptococcus gallinarum -- Streptococcus group A -- Streptococcus group B -- Streptococcus infection -- Streptococcus lactis -- Streptococcus mitior -- Streptococcus mitis -- Streptococcus mutans -- Streptococcus oralis -- Streptococcus pneumoniae -- Streptococcus pneumoniae vaccine -- Streptococcus pyogenes -- Streptococcus rattus -- Streptococcus salivarius -- Streptococcus sanguis -- Streptococcus sanguis type 2 -- Streptococcus sobrinus -- Streptococcus vaccine -- Streptococcus viridans group -- streptokinase -- streptolydigin -- streptolysin -- Streptomyces -- streptomycin -- streptonigrin -- streptovaricin -- streptovirudin -- streptozocin -- streptozotocin -- stress -- stress activated protein kinase -- stress management -- stress protein -- stress related disorder -- stressor -- stretch receptor -- stretch reflex -- stria terminalis -- striate cortex -- striated muscle -- string bean -- striosome -- stroke -- stroke chemotherapy -- stroke pharmacotherapy -- stroke therapy -- stromal cell -- stromelysin -- Strongyloides -- strongyloidiasis -- strontium -- strophanthidin -- strophanthin G -- structural biology -- structural gene -- structural genomics -- structural model -- strychnine -- strychnine receptor -- STS -- Stuart factor -- student dropout -- student health service -- study design -- stump tail macaque -- Sturnus vulgaris -- stuttering -- STX -- subacute inclusion body encephalitis -- subacute necrotizing encephalomyelopathy -- subacute sclerosing leukoencephalopathy -- subacute sclerosing panencephalitis -- subarachnoid space -- subcallosal gyrus -- subcorticospinal tract -- subcutaneous drug administration -- subcutaneous fibrosis -- subcutaneous injection -- subgingival curettage -- subiculum -- subject attachment -- subliminal influence -- subliminal message -- sublingual gland -- submandibular gland -- submaxillary virus -- submucous cystitis -- substance abuse -- substance abuse epidemiology -- substance abuse related behavior -- substance K -- substance P -- substantia alba -- substantia grisea -- substantia innominata -- substantia nigra -- substantia spongiosa -- substantia trabecularis -- substitute sight -- subthalamus -- subtilisin -- subtilisin Carlsberg -- subtilisin novo -- subtilopeptidase -- subtraction hybridization -- suburb -- success -- succinate -- succinate coA ligase -- succinate dehydrogenase -- succinate oxidase -- succinate thiokinase -- succinimide -- succinyl coA synthase -- succinylcholine -- sucking -- sucrase -- sucrase alpha dextrinase deficiency -- sucrase isomaltase deficiency -- sucrose -- sudden cardiac death -- sudden infant death syndrome -- sudiferous gland -- suffocation -- sugar -- sugar acid -- sugar alcohol -- sugar anhydride -- sugar beet -- sugar cane worker pneumonitis -- sugar nucleotide -- sugar phosphate -- suggestion -- suicide -- suid -- suid alphaherpesvirus 1 -- suid herpesvirus 2 -- Suipoxvirus -- sulfa drug -- sulfadiazine -- sulfamethoxazole -- sulfanilamide -- sulfasalazine -- sulfatase -- sulfate -- sulfate adenylyltransferase -- sulfate reducing bacteria -- sulfated glycoprotein 2 -- sulfated glycoprotein R -- sulfatide -- sulfatide lipoidosis -- sulfating enzyme -- sulfation -- sulfhydration -- sulfhydryl group -- sulfhydryl reagent -- sulfide -- sulfinpyrazone -- sulfisoxazole -- sulfite -- sulfite reductase -- sulfobromophthalein -- sulfokinase -- sulfomucopolysaccharide -- sulfonamide -- sulfonate -- sulfone -- sulfonium compound -- sulfonylurea -- sulfopolysaccharide -- sulfosugar -- sulfotransferase -- sulfoxide -- sulfur -- sulfur aminoacid -- sulfur compound -- sulfur group transferase -- sulfur metabolizing bacteria -- sulfur mustard -- sulfur oxide -- sulfuric ester -- sulfuric ester hydrolase -- sulfurous heterocyclic compound -- sulfurtransferase -- sulpiride -- sumatriptan -- sumatriptan succinate -- sunburn -- sunflower -- sunlight -- sunscreen -- sunstroke -- superantigen -- supercomputer -- superconductivity -- superego -- superfund chemical -- superfund site -- superior cervical ganglion -- superior colliculus -- superior olivary nucleus -- superior olive nucleus -- superoxide -- superoxide dismutase -- superoxide forming enzyme -- superparamagnetic beads -- superstition -- supervitaminosis -- supportive medical personnel -- suppository -- suppression -- suppressor mutation -- suppressor T lymphocyte -- suppressor T lymphocyte marker -- supracallosal gyrus -- suprachiasmatic nucleus -- supraoptic nucleus -- suprarenal gland -- supraterrestrial environment -- suramin -- surface antigen -- surface coating -- surface plasmon resonance -- surface property -- surfactant -- surgery -- surgery equipment -- surgery material -- surgical equipment -- surgical error -- surgical material -- surgical nursing -- surgical technique development -- surgical wound -- surgical wound infection -- surrogate mother -- survey methodology -- survivin -- suspension -- sustentacular cell -- sustiva -- Sutton disease II -- suture -- SV 40 -- SV 41 -- SV 5 -- swallowing -- swallowing disorder -- swamp fever virus -- swamp sparrow -- sweat -- sweat gland -- sweat gland disorder -- Sweden -- sweetening agent -- swimbladder -- swimming -- swimming pool conjunctivitis -- swine -- swine influenza -- swinepox virus -- Swiss mouse leukemia virus -- Switzerland -- swivelase -- sycosis -- Sydenham's chorea -- Sykes monkey -- symbiosis -- symbolism -- sympathectomy -- sympathetic block -- sympathetic ganglion -- sympathetic nervous system -- sympatholytic agent -- sympathomimetic agent -- Symphalangus -- symporter -- symporter (molecular) -- symposium -- symptom -- synapse -- synapse formation -- synapsin -- synaptic transmission -- synaptic vesicle -- synaptogenesis -- synaptonemal complex -- synaptoneurosome -- synaptophysin -- synaptosomal sulfated glycoprotein -- synaptosome -- synaptotagmin -- synchronous cell division -- synchrotron -- synchrotron radiation -- syncope -- syndecan -- syndrome -- Synechococcus -- synergism -- synexin -- syngeneic transplantation -- syngraft -- synostosis (cranial) -- synovectomy -- synovial fluid -- synovial membrane -- synovitis -- synovium -- syntactic -- syntax -- syntaxin -- syntaxin 1B -- syntaxin 3 -- syntaxin 3A -- syntaxin 3B -- syntaxin 3C -- syntaxin 3D -- syntaxin 4 -- syntaxin 5 -- synthetic antigen -- synthetic DNA -- synthetic enzyme -- synthetic nucleic acid -- synthetic nucleotide -- synthetic peptide -- synthetic peptide copolymer I -- synthetic protein -- synthetic tumor antigen -- synthetic vaccine -- synvinolin -- syphilis -- syphilis test -- syphilis vaccine -- Syria -- syringe sharing -- syringomyelia -- system analysis (computer) -- systematic biology -- systemic lupus erythematosus -- systemic scleroderma -- systemic sclerosis -- systole -- systolic hypertension -- A saccade is a fast movement of an eye, head, or other part of an animals body or of a device. ... The genus Saccharomyces includes many different types of yeast and is involved in the kingdom of fungi. ... Binomial name Saccharomyces cerevisiae Saccharomyces cerevisiae is a species of budding yeast. ... Sacrum, pelvic surface The sacrum (os sacrum) is a large, triangular bone at the base of the vertebral column and at the upper and back part of the pelvic cavity, where it is inserted like a wedge between the two hip bones. ... Flogging demonstration at Folsom Street Fair 2004. ... Sad redirects here; for the three letter acronym, see SAD. Suffering is any unwanted condition and the corresponding negative emotion. ... Flogging demonstration at Folsom Street Fair 2004. ... Safety engineering is used to assure that a life-critical system behaves as needed even when pieces fail. ... External links Safrole FAQ EU Narcotic drugs and psychotropic substances: internal aspects IARC Safrole, Isosafrole and dihydrosafrole Categories: Chemistry stubs ... Species see List of Salvia species Sage is a term used for plants of the genus Salvia of the mint family, Lamiaceae. ... Species 17 species, see text The tamarins are any of the squirrel-sized New World monkeys from the family Cebidae, classified as the genus Saguinus. ... Simian immunodeficiency virus (SIV) is a retrovirus that is found, in numerous strains, in primates; the strains infecting humans are HIV-1 and HIV-2, the viruses that cause AIDS. The origin of HIV is now generally attributed to SIV from African primates. ... Species Saimiri oerstedi Saimiri sciureus Saimiri ustus Saimiri boliviensis Saimiri vanzolini The squirrel monkeys are the New World monkeys of the genus Saimiri. ... Binomial name Hypericum perforatum Linnaeus, St Johns wort used alone refers to the species Hypericum perforatum, also known as Klamath weed or Goat weed, but is used with qualifiers to refer to any species of the genus Hypericum. ... This page is about the animal, salamander. ... Salicylic acid is a colorless, crystalline organic carboxylic acid. ... Saline may refer to: Salinity Saline (medicine) Saline, Michigan Saline, Scotland - a village in the burgh of Fife, Scotland. ... For the band, see Saliva (band). ... The salivary glands produce saliva, which keeps the mouth and other parts of the digestive system moist. ... For the band, see Saliva (band). ... The Chinook or King Salmon is the largest salmon in North America and can grow up to 58 long and 126 pounds. ... Species Salmonella bongori Salmonella choleraesuis Salmonella enterica Salmonella enteritidis Salmonella nyanza Salmonella paratyphi Salmonella typhi Salmonella typhimurium Salmonella virginia Salmonella is a genus of rod-shaped Gram-negative enterobacteria that causes typhoid fever, paratyphoid and foodborne illness. ... Binomial name Salmonella enterica Salmonella enterica is a species of Salmonella bacterium. ... Binomial name Salmonella enterica Salmonella enterica is a species of Salmonella bacterium. ... Salmonellosis is an infection with Salmonella bacteria. ... Genera (see text) Salmonidae is a family of ray-finned fish, the only family of order Salmoniformes. ... Salpingectomy refers to the surgical removal of a Fallopian tube. ... In chemistry, salt is a general term used for ionic compounds composed of positively charged cations and negatively charged anions, so that the product is neutral and without a net charge. ... The name Sam is usually short for the male given name Samuel, or the female given name Samantha. Samuel comes from a hebrew word which means name of God or heard by God. Other variations of the name include Samuelson, Samson, and Samwise. ... In general, a sample is a part of the total, such as one individual or a set of individuals from a population (of people or things), a small piece or amount of something larger, a number of function values of a function, or part of a song. ... Closeup on a Sand Dollar A number of sand dollars on a seabed The common sand dollar is the skeleton or test of a marine animal. ... Sandfly is the common name of a flying, biting insect found in many countries. ... Somatostatin is a hormone. ... Sanitation is a term for the hygienic disposal or recycling of waste materials, particularly human excrement. ... Lukumí or Regla de Ocha, most widely known as Santeria, is a set of related religious systems that fuse Catholic beliefs with traditional Yorùbá beliefs. ... Amoeba (Chaos diffluens) Foraminiferan shells Heliozoan (Actinophrys sol) Amoeboids are cells that move or feed by means of temporary projections, called pseudopods (false feet). ... The sarcolemma is the name of the cell membrane of a muscle fiber or muscle cell. ... A sarcoma is a cancer of the bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. ... A sarcomere is the basic unit of a cross striated muscles myofibril. ... Subfamilies Miltogramminae Sarcophaginae Fleshflies, family Sarcophagidae, are insects that are often mistaken for common houseflies, although they are somewhat larger in size. ... The endoplasmic reticulum or ER (endoplasmic means within the cytoplasm, reticulum means little net) is an organelle found in all eukaryotic cells. ... Sarcosine is N-methyl glycine (H3C-NH-CH2-COOH). ... Sarin or GB (O-Isopropyl methylphosphonofluoridate) is an extremely toxic substance that is one of the worlds most dangerous weapons of war. ... Severe Acute Respiratory Syndrome (SARS) is an atypical form of pneumonia. ... See also: Progress of the SARS outbreak and Severe acute respiratory syndrome. ... Satellites are subviral agents composed of nucleic acids; they depend for their multiplication on coinfection of a host cell with a helper virus. ... Satiety, or the feeling of fullness and disappearance of appetite after a meal, is a process mediated by the ventromedial nucleus in the hypothalamus. ... (I Cant Get No) Satisfaction is a Rolling Stones song. ... A saturated fat is a fat or fatty acid in which there are no double bonds between the carbon atoms of the fatty acid chain (hence, it is fully saturated with hydrogen atoms). ... In chemistry, especially biochemistry, a fatty acid is a carboxylic acid (or organic acid), often with a long aliphatic tail (long chains), either saturated or unsaturated. ... Binomial name Serenoa repens Hooker The Saw Palmetto is the sole species currently classified in the genus Serenoa. ... Saxitoxin (STX), is a neurotoxin found in marine dinoflagellates. ... Genera Pecten Pedum Amusium Chlamys Decatopecten Argopecten Flexopecten Lissopecten Hyalopecten Nodipecten Patinopecten Semipallium Mimachlamys Equichlamys Mesopeplum Veprichlamys Notochlamys Delectopecten Cryptopecten Anguipecten Haumea Mirapecten Volachlamys Juxtamusium Annachlamys Gloripallium Excellichlamys Bractechlamys Minnivola Coralichlamys Serratovola Somalipecten Pseudohinnites Glorichlamys Scallops are the family Pectinidae of bivalve molluscs. ... Binomial name Scalopus aquaticus (Linnaeus, 1758) The Eastern Mole or Common Mole, Scalopus aquaticus, is a medium-sized North American mole. ... The scalp is the skin on your head from which hair grows. ... Genera Tupaia Anathana Urogale Dendrogale Lyonogale Ptilocercus The tree shrews are small, squirrel-like mammals native to the tropical forests of South-east Asia. ... Scandinavian can mean: A resident of, or relating to Scandinavia A North Germanic language A music genre, Scandinavian metal This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Low temperature SEM magnification series for a snow crystal. ... A scanning transmission electron microscope (STEM) is a specific sort of transmission electron microscope, where the electrons pass through the specimen, but, as in scanning electron microscopy, the sample is scanned in a raster fashion. ... A scar results from the biologic process of wound repair in the skin and other tissues of the body. ... Save the Children is an international non-profit organization dedicated to providing humanitarian aid. ... The medical term kyphosis has several meanings. ... An imine is the functional group or compound containing the functional group of a carbon-nitrogen double bond. ... This article needs cleanup. ... Skin vesicles created by the penetration of Schistosoma. ... Schizosaccharomyces pombe, also called fission yeast, is a species of yeast. ... Schizotypal personality disorder is a personality disorder that is characterized by a need for social isolation, odd behaviour and thinking, and often unconventional beliefs such as being convinced of having extra sensory abilities. ... A school is most commonly a place designated for learning. ... Schwann cells are a variety of neuroglia that wrap around axons in the peripheral nervous system, forming the myelin sheath. ... Schwannomas, also referred to as Neurilomas, are slow-growing central nervous system tumours arising from the supporting cells of peripheral nerves, which include cranial and spinal nerve roots). ... The sciatic nerve is a large nerve that runs down the lower limb. ... Sciatica is a pain in the leg due to irritation of the sciatic nerve. ... SCID can stand for Severe combined immunodeficiency Structured Clinical Interview for DSM-IV This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Science education is the field interested in sharing science content and process with individuals not traditionally considered part of the science community. ... Nuclear medicine is the branch of medicine that uses unsealed radioactive substances in diagnosis and therapy. ... A scintillation counter measures ionizing radiation. ... Genera Many: see text. ... The Southern Christian Leadership Conference (SCLC) (first known as Southern Negro Leaders Conference on Transportation and Nonviolent Integration) is a civil rights organization founded in January 1957 by Martin Luther King Jr. ... The sclera is the white outer coating of the eye. ... Scleroderma is a rare, chronic disease characterized by excessive deposits of collagen. ... Fibrous proteins, also called scleroproteins, are long filamentous protein molecules that form one of the two main classes of protein (the other being globular proteins). ... Multiple sclerosis (MS) is a demyelinating disease, a non-contagious chronic autoimmune disorder of the central nervous system which can present with a variety of neurological symptoms occurring in attacks or slowly progressing over time. ... The South American Community of Nations (SACN) (Spanish: Comunidad Sudamericana de Naciones (CSN), Portuguese: Comunidade Sul-Americana de Nações (CSN)) will be a continent-wide free trade zone that will unite two existing free-trade organizations—Mercosur and the Andean Community—eliminating tariffs for non-sensitive products by 2014 and... Scopolamine, also known as hyoscine, is an alkaloid drug obtained from plants of the Solanaceae family (Nightshade), such as henbane or jimson weed (Datura stramonium). ... A scorpion is an invertebrate animal with eight legs belonging to the order Scorpiones in the class Arachnida. ... Scotland (Alba in Scottish Gaelic) is a country or nation and former independent kingdom of northwest Europe, and one of the four constituent parts of the United Kingdom. ... The word scotoma is derived from the Greek word for darkness. ... Scrapie is a fatal, degenerative disease that affects the nervous systems of sheep and goats. ... Binomial name Stenotomus chrysops (Linnaeus, 1766) The Scup or porgy, Stenotomus chrysops, is a fish which occurs primarily in the Atlantic from Massachusetts to South Carolina. ... Scurvy is a disease that results from insufficient intake of vitamin C and leads to the formation of livid spots on the skin, spongy gums and bleeding from almost all mucous membranes. ... This article is about jellyfish, the sea creatures. ... Synchronous Optical Networking, commonly known as SONET, is a standard for communicating digital information over optical fiber. ... Picture of an SDS-PAGE. The molecular marker is in the left lane SDS-PAGE stands for Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis. ... Families Many, see text. ... Orders Subclass Apodacea  Apodida  Molpadiida Subclass Aspidochirotacea  Aspidochirotida  Elasipodida Subclass Dendrochirotacea  Dactylochirotida  Dendrochirotida The sea cucumber is an echinoderm of the class Holothuroidea, with an elongated body and leathery skin. ... Families Superfamily Akeroidea Akeridae Superfamily Aplysioidea Aplysiidae Sea hares (also called sea slugs) are small marine gastropod molluscs of the suborder Anaspidea (P. Fisher, 1883) in the subclass Orthogastropoda, class Gastropoda, phylum Mollusca. ... Orders Articulata Cladida (extinct) Flexibilia (extinct) Camerada (extinct) Disparida (extinct) Crinoids, also known as sea lilies or feather-stars, are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). ... Genera Eumetopias Zalophus Otaria Neophoca Phocarctos A sea lion rookery at Monterey, California A sea lion is any of several marine mammals of the family Otariidae. ... Binomial name Enhydra lutris (Linnaeus, 1758) The Sea Otter (Enhydra lutris) is a large otter native to the North Pacific, from northern Japan and Kamchatka west across the Aleutian Islands south to California. ... Families Superfamily Akeroidea Akeridae Superfamily Aplysioidea Aplysiidae Sea hares (also called sea slugs) are small marine gastropod molluscs of the suborder Anaspidea (P. Fisher, 1883) in the subclass Orthogastropoda, class Gastropoda, phylum Mollusca. ... Classes Ascidiacea Thaliacea Appendicularia Urochordata (sometimes known as tunicata and commonly called urochordates, tunicates or sea squirts) is the subphylum of saclike filter feeders with input and output siphons. ... Orders many Sea stars or starfish are animals belonging to phylum Echinodermata, class Asteroidea. ... Slate pencil urchin (cidaroid) Group of black, long-spined Caribbean sea urchins, Diadema antillarum (Philippi) Sea urchin roe. ... Sea water is water from a sea or ocean. ... Seafood in Brussels, Belgium Seafood is any sea animal that is served as food or is suitable for eating. ... subfamilies Otariidae Phocidae Odobenidae Pinnipeds are large marine mammals belonging to the Pinnipedia, a family (sometimes a suborder or superfamily, depending on the classification scheme) of the order Carnivora. ... A season is one of the major divisions of the year, generally based on broad climatic patterns. ... Seasonal affective disorder, or SAD, is an affective, or mood disorder. ... The sebaceous glands are glands found in the skin of mammals. ... Seborrheic keratosis is a kind of benign skin growth that is very common among people over 40 years of age. ... The sebaceous glands are glands found in the skin of mammals. ... In biology, second messengers are low-weight diffusible molecules that are used in signal transduction to relay a signal within a cell. ... High School also refers to the highest form of classical riding, High School Dressage. ... Secretin is a hormone produced in the S cells of the duodenum in response to low duodenum pH and fatty acids in the duodenum to stimulate the secretion of bicarbonate from bicarbonate producing organs(liver, pancreas, Brunners glands) when the pH drops below a set value. ... Secretion is the process of segregating, elaborating, and releasing chemicals from a cell. ... The British Mental Health Act 1983 has a number of sections that provide powers for involuntary detention, hospitalization or other medical treatment for people affected by mental illness. ... Sedation is a medical procedure involving administration of sedative drugs, generally to facilitate a medical procedure, such as endoscopy, or minor surgery with local anaesthesia. ... A sedative is a drug that depresses the central nervous system (CNS), which causes calmness, relaxation, reduction of anxiety, sleepiness, slowed breathing, slurred speech, staggering gait, poor judgment, and slow, uncertain reflexes. ... Sediment is any particulate matter that can be transported by fluid flow and which eventually is deposited as a layer of solid particles on the bed or bottom of a body of water or other liquid. ... Sedimentation equilibrium is a technique used in biochemistry to separate a sample containing several components based on their various densities. ... A SeeD is a term given to mercenaries trained and employed by Balamb Garden in the Final Fantasy VIII video game. ... Segregation means separation. ... This article is about the medical condition. ... Selegiline/l-Deprenyl Selegiline (l-deprenyl, Eldepryl® or Anipryl® [veterinary]) is a drug used for the treatment of early-stage Parkinsons disease and senile dementia. ... General Name, Symbol, Number selenium, Se, 34 Series nonmetals Group, Period, Block 16 (VIA), 4, p Density, Hardness 4790 kg/m3(300K), 2 Appearance grey, metallic lustre Atomic properties Atomic weight 78. ... C5H11NO2SE A form of Selenium in bio-molecules. ... A selenoprotein is any protein that includes a selenocysteine residue. ... A persons self image is the mental picture, generally of a kind that is quite resistant to change, that depicts not only details that are potentially available to objective investigation by others (height, weight, hair color, nature of external genitalia, I.Q. score, is this person double-jointed, etc. ... Discipline is any training intended to produce a specific character or pattern of behaviour, especially training that produces moral or mental development in a particular direction. ... In psychology, self-esteem or self-worth is a persons self-image at an emotional level; circumventing reason and logic. ... Though the term self-help can refer to any case whereby an individual or a group betters themselves economically, intellectually or emotionally, the connotations of the phrase have come to apply particularly to psychological or psychotherapeutic nostrums, often purveyed through the popular genre of the self-help book. ... Self-organization refers to a process in which the internal organization of a system, normally an open system, increases automatically without being guided or managed by an outside source. ... In general, semantics (from the Greek semantikos, or significant meaning, derived from sema, sign) is the study of meaning, in some sense of that term. ... Semen or ejaculate is the fluid discharged from the penis during ejaculation, usually at the time of orgasm. ... inner ear illustration showing semicircular canal, hair cells, ampulla, cupula, vestibular nerve, & fluid The semicircular canals are three half-circular, interconnected tubes located inside each ear that are the equivalent of three gyroscopes located in three planes perpendicular (at right angles) to each other. ... A semiconductor is a material that is an insulator at very low temperature, but which has a sizable electrical conductivity at room temperature. ... In anatomy, the heart valves are valves in the heart that prevent blood from flowing the wrong way. ... Male Anatomy The prostate is a gland that is part of male mammalian sex organs. ... Categories: Stub | Andrology | Exocrine system | Reproductive system ... Testicular cancer is a type of cancer that develops in the testicles, a part of the male reproductive system. ... A semiquinone is a free radical resulting from the removal of one hydrogen atom with its electron during the process of dehydrogenation of a hydroquinone to quinone or alternatively the addition of a single H atom to a quinone. ... In biology, senescence is the state or process of aging. ... In psychology, sensation is the first stage in the chain of biochemical and neurologic events that begins with the impinging of a stimulus upon the receptor cells of a sensory organ, which then leads to perception, the mental state that is reflected in statements like I see a uniformly blue... A sensor is a technological device or biological organ that detects, or senses, a signal or physical condition. ... This article needs cleanup. ... A prisoner at the United States Camp X-ray facility at Guantanamo Bay in Cuba being subjected to sensory deprivation, through the use of ear muffs, visor, breathing mask and heavy mittens. ... In a sensory system, a sensory receptor is a structure that recognizes a stimulus in the internal or external environment of an organism. ... Separation may refer to a several different subjects: In chemistry, separation refers to the separation of mixtures. ... In the strictest sense, a Sephardi (ספרדי, Standard Hebrew Səfardi, Tiberian Hebrew Səp̄ardî; plural Sephardim: ספרדים, Standard Hebrew Səfardim, Tiberian Hebrew Səp̄ardîm) is a Jew original to the Iberian Peninsula (Spain and Portugal: ספרד, Standard Hebrew Səfárad, Tiberian Hebrew Səp̄áraḏ / Səp̄āraḏ), or whose ancestors were among the Jews expelled from... Sepia may refer to any of the following: The genus Sepia of cephalopod, a grouping of cuttlefish. ... Sepsis (in Greek Σήψις) is a serious medical condition caused by a severe systemic infection leading to a systemic inflammatory response. ... Septic shock is a serious medical condition causing such effects as multiple organ failure and death in response to infection and sepsis. ... Sepsis (in Greek Σήψις) is a serious medical condition caused by a severe systemic infection leading to a systemic inflammatory response. ... Serbia and Montenegro  – Serbia    – Kosovo and Metohia        (UN administration)    – Vojvodina  – Montenegro Official language Serbian1 Capital Belgrade Area  – Total  – % water  88,361 km²  n/a Population  – Total (2002)     (without Kosovo)  – Density  7. ... Serine is one of the 20 most common natural amino acids on Earth. ... Serology is a medical blood test to detect the presence of antibodies against a microorganism. ... A serosa is a serous membrane, Serous membranes line the pericardial, pleural, and peritoneal cavities, enclosing their contents. ... Serotonin (5-hydroxytryptamine, or 5-HT) is a monoamine neurotransmitter synthesised in serotonergic neurons in the central nervous system and enterochromaffin cells in the gastrointestinal tract. ... In the field of neurochemistry, 5-HT receptors are receptors for the neurotransmitter and peripheral signal mediator serotonin, also known as 5-hydroxytryptamine or 5-HT. 5-HT receptors are located on the cell membrane of nerve cells and other cell types in animals and mediate the effects of serotonin... Selective serotonin reuptake inhibitors (SSRIs) are a class of antidepressants. ... The serotonin transporter is a monoamine transporter protein. ... Serratia marcescens is a Gram negative bacterium, a human pathogen of the family Enterobacteriaceae. ... Serratia marcescens is a Gram negative bacterium, a human pathogen of the family Enterobacteriaceae. ... The Sertoli cell is the nurse cell of the testes. ... Sertraline hydrochloride (Zoloft®, Lustral®, Apo-Sertral®, Asentra®, Gladem®, Serlift®, Stimuloton®) is an orally administered antidepressant of the selective serotonin reuptake inhibitor (SSRI) type. ... Blood plasma is a component of blood. ... You may be looking for albumen, or egg white. ... Serum sickness is a reaction to an antiserum derived from an animal source. ... The Seventh-day Adventist Church (SDA), colloquially referred to as the Adventists, is an evangelical Protestant Christian denomination that grew out of the prophetic Millerite movement in the United States during the middle part of the 19th century. ... Severe Acute Respiratory Syndrome (SARS) is an atypical form of pneumonia. ... Severe Combined Immunodeficiency, or SCID, is a genetic disorder in which both arms (B cells and T cells) of the adaptive immune system are crippled, due to a defect in one of several possible genes. ... Carbaryl is a chemical in the carbamate family used chiefly as an insecticide. ... Sewage is domestic, municipal, or industrial liquid waste products. ... Sewage treatment is the process that removes the majority of the contaminants from waste-water or sewage and produces both a liquid effluent suitable for disposal to the natural environment and a sludge. ... Wiktionary has a definition of: Sex The members of many species of living things are divided into two or more categories called sexes (or loosely speaking, genders). ... A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. ... For the Peruvian rock group, see Libido (band). ... Sex education is education about sexual reproduction in human beings, sexual intercourse and other aspects of human sexual behavior. ... Sex hormones are hormones that affect the reproductive system. ... A bagpiper in military uniform. ... Sexual abstinence or chastity is the practice of voluntarily refraining from sexual intercourse and (usually) other sexual activity. ... Sexual abuse is physical or psychological abuse that involves sexual behavior. ... Sexual harassment is harassment of a sexual nature, typically in the workplace or other setting where raising objections or refusing may have negative consequences. ... Sexual orientation is the focus of a persons amorous or erotic desires, fantasies, and feelings, the gender(s) one is primarily oriented towards. ... Sexually-transmitted infections (STIs), also known as sexually-transmitted diseases (STDs), are diseases that are commonly transmitted between partners through some form of sexual activity, most commonly vaginal intercourse, oral sex, or anal sex. ... Orders see article text below Sharks are a group (superorder Selachimorpha) of fish, with a full cartilaginous skeleton, a streamlined body plan with between 5 and 7 gill slits along the sides (most often) or side of the head (the first modified slit is behind the eye and called a... Shear stress is a stress state where the shape of a material tends to change (usually by sliding forces - torque by transversely-acting forces) without particular volume change. ... This article is about the animal, sheep; for other meanings of Sheep, see Sheep (disambiguation). ... Shiga toxins are a family of related toxins with two major groups, Stx1 and Stx2, whose genes are considered to be part of the genome of lambdoid prophages. ... Shiga toxin, produced by the microbe Shigella dysenteriae, was rediscovered as Verotoxin in by researchers in Ottawa in 1977. ... Species Shigella boydii Shigella dysenteriae Shigella flexneri Shigella sonnei Shigella are Gram-negative, nonmotile, nonsporeforming rod-shaped bacteria. ... Shiga toxin, produced by the microbe Shigella dysenteriae, was rediscovered as Verotoxin in by researchers in Ottawa in 1977. ... Herpes zoster, colloquially known as shingles, is the reactivation of varicella zoster virus, leading to a crop of painful blisters over the area of a dermatome. ... Shivering is a human bodily function in response to cold. ... In medicine, shock is a life-threatening medical emergency characterized by inability of the body to supply enough oxygen to meet tissue requirements. ... This article is about the medical term. ... Short bowel syndrome is a malabsorption disorder caused by either the surgical removal of the small intestine or the loss of its absorptive function due to diseases. ... Short-term memory, sometimes referred to as primary or active memory, is that part of memory which stores a limited amount of information for a limited amount of time (roughly 30-45 seconds). ... This article is about the body part. ... This article is about the animal; see also The Taming of the Shrew for the use of this term to describe a person. ... Superfamilies Alpheoidea Atyoidea Bresilioidea Campylonotoidea Crangonoidea Galatheacaridoidea Nematocarcinoidea Oplophoroidea Palaemonoidea Pandaloidea Pasiphaeoidea Physetocaridoidea Procaridoidea Processoidea Psalidopodoidea Stylodactyloidea True shrimp are small, swimming, decapod crustaceans classified in the infraorder Caridea, found widely around the world in both fresh and salt water. ... Binomial name Betta splendens (Regan, 1910) The Siamese fighting fish (Betta splendens) is one of the most popular species of freshwater aquarium fish. ... This article is about the domestic group. ... Sick building syndrome (SBS) is a combination of ailments (a syndrome) associated with an individuals place of work (typically, but not always, an office building), though there have also been instances of SBS in residential buildings. ... Sickle-shaped red blood cells Sickle cell anemia (American English), sickle cell anaemia (British English) or sickle cell disease is a genetic disease in which red blood cells may change shape under certain circumstances. ... ... ... A side-effect is any effect other than an intended primary effect. ... A Siderophore (greek for iron carrier) is an iron chelating compound secreted by microorganisms. ... Sudden Infant Death Syndrome (SIDS), also known as cot death and crib death, is the term for the sudden and unexplained death of an apparently healthy infant aged one month to one year. ... The sigmoid colon is the part of the large intestine after the descending colon and before the rectum. ... Sigmoidoscopy is the minimally invasive medical examination of the large intestine from the rectum through the last part of the colon. ... Sign can denote any of the following: Within a writing system, a sign is a basic unit. ... A sign language (also signed language) is a language which uses gestures instead of sound to convey meaning - combining handshapes, orientation and movement of the hands, arms or body, facial expressions and lip-patterns. ... A signal peptide is a short (15-60 amino acids long) peptide chain that directs the post transrational transport of a protein. ... The signal recognition particle (SRP) is a protein-RNA complex that recognizes and transports specific proteins to the endoplasmic reticulum in eukaryotes and the plasma membrane in prokaryotes. ... Silane is a chemical compound with chemical formula SiH4. ... Silibinin (INN) (silybin, Legalon®) is the major active constituent of silymarin, the mixture of flavonolignans extracted from plant Milk thistle (Silybum marianum). ... In chemistry, a silicate is a compound consisting of silicon and oxygen (SixOy), one or more metals, and possibly hydrogen. ... General Name, Symbol, Number silicon, Si, 14 Series metalloid Group, Period, Block 14 (IVA), 3, p Density, Hardness 2330 kg/m3, 6. ... Pneumoconiosis is a lung condition caused by the inhalation of dust, characterized by formation of nodular fibrotic changes in lungs. ... Binomial name Bombyx mori Linnaeus, 1758 For the band named Silkworm, see Silkworm (band). ... General Name, Symbol, Number silver, Ag, 47 Chemical series Transition metals Group, Period, Block 11, 5, d Density, Hardness 10490 kg/m3, 2. ... Simian immunodeficiency virus (SIV) is a retrovirus that is found, in numerous strains, in primates; the strains infecting humans are HIV-1 and HIV-2, the viruses that cause AIDS. The origin of HIV is now generally attributed to SIV from African primates. ... SV40 is an abbreviation for Simian vacuolating virus 40 or Simian virus 40, a polyomavirus that is found in both monkeys and humans. ... In pharmacology, simvastatin (Zocor®, Zocor Heart Pro®, marketed by the pharmaceutical company Merck & Co. ... Species see text Hantavirus is one of the four genera of the family Bunyaviridae. ... A Single Nucleotide Polymorphism or SNP (pronounced snip) is a DNA sequence variation, occurring when a single nucleotide: adenine (A), thymine (T), cytosine (C) or guanine (G) - in the genome is altered. ... SPECT (Single Photon Emission Computed Tomography) is a nuclear medicine tomographic imaging technique using gamma rays. ... Singlet oxygen is a reactive oxygen species that is higher in energy than the predominant species in the atmosphere, triplet oxygen. ... The sinoatrial node (abbreviated SA node, also called the sinus node) is the impulse generating (pacemaker) tissue located in the right atrium of the heart. ... Sinusitis is inflammation, either bacterial, viral, allergic or autoimmune, of the paranasal sinuses. ... For the musician, a member of the Red Hot Chili Peppers, see Michael Balzary. ... Genera λ-like viruses T1-like viruses T5-like viruses c2-like viruses L5-like viruses ψM1-like viruses Siphoviridae is a family of double-stranded DNA viruses infecting only bacteria that are characterized by a long non-contractile tail and an isometric capsid (morphotype B1) or a prolate capsid... Sirolimus is a relatively new immunosuppressant drug used to prevent rejection in organ transplantation, and is especially useful in kidney transplants. ... Sister may refer to: a Strange alien creature found somewhere on the west side of Mars. ... Simian immunodeficiency virus (SIV) is a retrovirus that is found, in numerous strains, in primates; the strains infecting humans are HIV-1 and HIV-2, the viruses that cause AIDS. The origin of HIV is now generally attributed to SIV from African primates. ... Sjögrens syndrome is an autoimmune disorder in which immune cells attack and destroy the glands that produce tears and saliva. ... This article is about the fish species. ... Structure of a skeletal muscle Skeletal muscle is a type of striated muscle, attached to the skeleton. ... Skeleton is also a winter sport: see skeleton (sport). ... Model of the layers of human skin In zootomy and dermatology, skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. ... In medicine (dermatology), there are several different types of cancer referred to under the general label of skin cancer. ... Historical data for native populations collected by R. Biasutti prior to 1940. ... A Hippopotamuss skull A skull, or cranium, is a bony structure of vertebrates which serves as the general framework for a head. ... Genera Mephitis Spilogale Conepatus The skunks or Mephitidae are a family of medium-sized mammals, typically black-and-white-furred, belonging to the order Carnivora. ... SLE means more than one thing. ... A girl quietly at sleep Sleep is the fundamental anabolic process common to all life forms, plant and animal. ... Sleep apnea (alternatively sleep apnoea) is a sleep disorder in which breathing is interrupted during sleep. ... Sleep deprivation is an overall lack of the necessary amount of sleep. ... Sleepwalking (also called noctambulism or somnambulism) is a sleep disorder where the sufferer engages in activities that are normally associated with wakefulness while asleep or in a sleeplike state. ... A sedative is a drug that depresses the central nervous system (CNS), which causes calmness, relaxation, reduction of anxiety, sleepiness, slowed breathing, slurred speech, staggering gait, poor judgment, and slow, uncertain reflexes. ... Typical orders Protostelia    Protosteliida Myxogastria    Liceida    Echinosteliida    Trichiida    Stemonitida    Physarida Dictyostelia    Dictyosteliida Slime moulds are peculiar protists that normally take the form of amoebae, but under certain conditions develop fruiting bodies that release spores, superficially similar to the sporangia of fungi. ... Families Megalonychidae Bradypodidae Sloths are medium-sized South American mammals belonging to the families Megalonychidae and Bradypodidae, part of the order Xenarthra. ... Slugs are gastropods without or with very small shells, in contrast with snails from which they evolved, which have a prominent shell. ... A slum is an overcrowded and squalid district of a city or town usually inhabited by the very poor. ... A slum is an overcrowded and squalid district of a city or town usually inhabited by the very poor. ... Diagram showing the small intestine In biology the small intestine is the part of the gastrointestinal tract between the stomach and the large intestine (colon). ... Diagram showing the small intestine In biology the small intestine is the part of the gastrointestinal tract between the stomach and the large intestine (colon). ... In science, a molecule is the smallest particle of a pure chemical substance that still retains its chemical composition and properties. ... Smallpox (also known by the Latin names Variola or Variola vera) is a highly contagious disease unique to humans. ... The smallpox vaccine is the only effective preventive treatment for the deadly smallpox disease. ... Smallpox (also known by the Latin names Variola or Variola vera) is a highly contagious disease unique to humans. ... Smegma, a transliteration of the Greek word for soap, is a combination of exfoliated (shed) epithelial cells, transudated skin oils and moisture that can accumulate under the foreskin of males and within the female vulva area. ... The term smell may refer to one of the following articles: Olfaction - The sense of smell, that is, the ability to perceive odors Odor - the object being perceived by the sense of olfaction See also Wiktionary:Smell This is a disambiguation page — a navigational aid which lists other pages that... For the rock band named Smog, see Smog (band). ... For information about smoking tobacco, see tobacco smoking. ... Smoking cessation is the effort to stop smoking tobacco products. ... Smooth muscle is a type of non-striated muscle, found within the walls of hollow organs; such as blood vessels, bladders, uteri. ... Giant African Snail (Achatina fulica) The name snail applies to most members of the molluscan class Gastropoda that have coiled shells. ... Superfamilies and Families Henophidia Aniliidae Anomochilidae Boidae Bolyeriidae Cylindrophiidae Loxocemidae Pythonidae Tropidophiidae Uropeltidae Xenopeltidae Typhlopoidea Anomalepididae Leptotyphlopidae Typhlopidae Xenophidia Acrochordidae Atractaspididae Colubridae Elapidae Hydrophiidae Viperidae Snakes are cold blooded legless reptiles closely related to lizards, which share the order Squamata. ... A sneeze is the semi-autonomous, convulsive expulsion of air from the nose. ... Snoring is the act of breathing through the open mouth in such a way as to cause a vibration of the uvula and soft palate, thus giving rise to a sound which may vary from a soft noise to a loud unpleasant sound. ... SNP may refer to: The Scottish National Party A single nucleotide polymorphism This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Ribonucleic acid (RNA) is a nucleic acid consisting of a string of covalently-bound nucleotides. ... Snuff can refer to any of the following: Fine-ground smokeless tobacco, intended for use by being sniffed or snorted into the nose Swedish snus tobacco, used between the cheek and upper gums To kill, as in a Snuff movie punk pop thrash band Snuff from the UK This is... This article is about a common cleaning mixture. ... Sobriety may refer to the state of demonstrating solemn or dignified personal behaviour, and also encompasses moderation or abstinence with regard to (typically) the consumption of alcoholic beverages or drugs. ... Social change refers to acts of advocacy for the cause of changing society in a positive way. ... A social class is a group that shares the same or similar social status. ... A necessary part of society, social consciousness brings moral implications into all aspects of science. ... Social control refers to social mechanisms that regulate individual and group behaviour, in terms of greater sanctions and rewards. ... Social distance describes the distance between different groups of society and is opposed to locational distance. ... The social environment of an individual is the culture that he or she was educated and/or lives in, and the people and institutions with whom the person interacts. ... In sociology, a group is usually defined as a collection consisting of a number of people who share certain aspects, interact with one another, accept rights and obligations as members of the group and share a common identity. ... Social mobility is the degree to which, in a given society, an individuals social status may change throughout the course of his or her life. ... A social animal is a loosely defined term for an organism that is highly interactive with other members of its species to the point of having a recognizable and distinct society. ... Social psychology is the study of the nature and causes of human social behavior. ... A function is part of an answer to a question about why some object or process occurred in a system that evolved or was designed with some goal. ... Terms like SOSE (Studies of Society & the Environment) not only refer to social sciences but also studies of the environment. ... For specific national programs, see Social Security (United States), National insurance (UK), Social Security (Sweden) Social security mainly refers to a field of social welfare concerned with social protection, or protection against socially recognized needs. ... A social worker is a person employed in the administration of charity, social service, welfare, and poverty agencies, advocacy, or religious outreach programs. ... This article needs to be wikified. ... In sociology, social status is the standing, the honour or prestige attaching to ones position in society. ... A social worker is a person employed in the administration of charity, social service, welfare, and poverty agencies, advocacy, or religious outreach programs. ... Socialization in the study of animal and human behavior (ethology, social psychology, and psychology) is the process by which human beings or animals learn to adopt the behavior patterns of the community in which they live. ... Socioeconomics is the study of the social and economic impacts of any product or service offering, market intervention or other activity on an economy as a whole and on the companies, organization and individuals who are its main economic actors. ... Sociolinguistics is the study of the effect of any and all aspects of society, including cultural norms, expectations, and context, on the way language is used. ... Sociology is the study of the social lives of humans, groups and societies. ... Sociology is the study of the social lives of humans, groups, and societies, sometimes defined as the study of social interactions. ... Categories: Construction | Fortification | Stub ... General Name, Symbol, Number sodium, Na, 11 Series alkali metal Group, Period, Block 1 (IA), 3, s Density, Hardness 968 kg/m3, 0. ... Sodium bicarbonate (NaHCO3), or sodium hydrogen carbonate, also known as baking soda and bicarbonate of soda, is a soluble white anhydrous or crystalline compound, with a slight alkaline taste resembling that of sodium carbonate. ... Sodium chloride, also known as common salt, table salt, or halite, is a chemical compound with formula NaCl. ... The soft palate is the soft tissue comprising the back of the roof of the mouth. ... Software engineering (SE) is the profession concerned with specifying, designing, developing and maintaining software applications by applying technologies and practices from computer science, project management, and other fields. ... Software engineering (SE) is the profession concerned with specifying, designing, developing and maintaining software applications by applying technologies and practices from computer science, project management, and other fields. ... Software engineering (SE) is the profession concerned with creating and maintaining software applications by applying technologies and practices from computer science, project management, engineering, application domains, and other fields. ... For the heavy metal band see Soil (band) Soil is the layer of minerals and organic matter, in thickness from centimetres to a metre or more, on the land surface. ... Sol is the name or personification of the Sun, as originally used in Latin. ... Genera Acnistus Anisodus Anthocercis Anthotroche Archiphysalis Althenaea Atropa (deadly nightshade) Atropanthe Benthamiella Bouchetia Brachistus Browallia Brugmansia (floripondio) Brunfelsia Calibrachoa Capsicum (chilli peppers) Cestrum Chamaesaracha Combera Crenidium Cuatresia Cyphanthera Cyphomandra Datura (jimsonweed) Deprea Discopodium Duboisia Dunalia Dyssochroma Ectozma Exodeconus Fabiana Grabowskia Grammosolen Hawkesiophyton Heteranthia Hunzikeria Hyoscyamus (henbane) Iochroma Jaborosa Jaltomata Juanulloa... Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. ... In physics, the solid state is one of the three phases of matter (solid, liquid, and gas). ... The solitary nucleus and tract are structures in the brainstem that carry and receive visceral sensation and taste from the facial (VII), glossopharyngeal (IX), vagus (X) cranial nerves, as well as the cranial part of the accessory nerve (XI). ... A solvent is a liquid that dissolves a solid, liquid, or gaseous solute, resulting in a solution. ... A substance is soluble in a fluid if it dissolves in the fluid. ... Dissolving table salt in water In chemistry, a solution is one or more substance (the solute) dissolved in another substance (the solvent) forming a homogenous mixture. ... A solvent is a liquid that dissolves a solid, liquid, or gaseous solute, resulting in a solution. ... In organic chemistry, solvolysis is a special type of nucleophilic substitution where the nucleophile is a solvent molecule. ... See Soma (disambiguation) for other uses. ... Soman or GD (O-Pinacolyl methylphosphonofluoridate) is an extrememly toxic substance that is one of the worlds most dangerous weapons of war. ... Somatostatin is a hormone. ... Growth hormone is a polypeptide hormone secreted by the anterior pituitary gland which stimulates growth and cell reproduction in humans and other vertebrate animals. ... The F70 type frigates (here, La Motte-Picquet) are fitted with VDS (Variable Depth Sonar) type DUBV43 or DUBV43C tugged sonars Sonar (sound navigation and ranging) is a technique that uses sound propagation under water to navigate or to detect other watercraft. ... A songbird is a bird belonging to the suborder Oscines of Passeriformes (ca. ... A sonogram may refer to the following: A readout from an ultrasound examination. ... Night writing was a system of code that used symbols of twelve dots (2 wide and 6 high) designed by Charles Barbier in response to Napoleons demand for a code that soldiers could use to communicate silently and without light at night. ... Sorbitol, also known as glucitol, is a sugar alcohol the body metabolises slowly. ... Species See text The genus Sorex is a group of mainly land-dwelling shrews with relatively long tails which includes many of the common shrews of Europe and North America. ... Sorting refers to a process of arranging items in some sequence and/or in different sets, and accordingly, it has two common, yet distinct meanings: ordering: aranging items of the same kind, class, nature, etc. ... Sotalol is a drug used in individuals with rhythm disturbances (cardiac arrhythmias) of the heart. ... A schematic representation of auditory signaling Sound is vibration, as perceived by the sense of hearing. ... A schematic representation of auditory signaling Sound is an alternation in pressure, particle displacement, or particle velocity propagated in an elastic material (Olson 1957) or series of mechanical compressions and rarefactions or longitudinal waves that successively propagate through medium that are at least a little compressible (solid, liquid or gas... Acoustic impedance Z (characteristic impedance or sound impedance) is the ratio of sound pressure p to particle velocity v. ... Sound localization is a listeners ability to identify the location of origin of a detected sound or the methods in acoustical engineering to simulate the placement of an auditory cue in a virtual 3D space (see binaural recording). ... South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ... South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ... Location of Southeast Asia Southeast Asia is a subregion of Asia. ... Location of Southeast Asia Southeast Asia is a subregion of Asia. ... Binomial name Glycine max Soybeans (US) or soya beans (UK) (Glycine max) are a high-protein legume (Family Fabaceae) grown as food for both humans and livestock. ... ... For the Sparrow air-to-air missile, see AIM-7 Sparrow. ... A spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ, or a similarly sudden contraction of an orifice. ... SP Balasubramanyam (born Sripathi Panditaradhyula Balasubramanyam, commonly known as SPB) is a prolific Indian singer from Nellore, Andhra Pradesh. ... Special education (Also known as Special ed, SPED or defectology ) refers to the teaching of students with a learning disability, a physical disability or a behavioral problem. ... A special interest is a person, group, or organization attempting to influence legislators or other public officials in favor of one particular interest or issue. ... Relative density (also known as specific gravity) is a measure of the density of a material. ... Specific language impairment (SLI) is a form of language disorder that affects both expressive and receptive language. ... SPECT (Single Photon Emission Computed Tomography) is a nuclear medicine tomographic imaging technique using gamma rays. ... Glasses, spectacles, or eyeglasses are frames bearing lenses worn in front of the eyes, sometimes for purely aesthetic reasons but normally for vision correction or eye protection. ... Spectroscopy is the study of spectra, ie. ... In physics, spectrophotometry is the quantitative study of spectra. ... Spectroscopy is the study of spectra, ie. ... Speech: (n. ... Speech disorders are a type of communication disorders where normal speech is disrupted. ... Speech recognition technologies allow computers equipped with a source of sound input, such as a microphone, to interpret human speech, e. ... Speech synthesis is the artificial production of human speech. ... Speech therapy is the corrective or rehabilitative treatment of physical and/or cognitive deficits/disorders resulting in difficulty with verbal communication. ... Spelling is the writing of a word or words with all necessary letters and diacritics present in the correct order. ... Schematic diagram of a sperm cell, showing the (1) acrosome, (2) cell membrane, (3) nucleus, (4) mitochondria, and (5) flagellum (tail) A sperm cell, or spermatozoon ( spermatozoa) (in Greek: sperm = semen and zoon = alive), is the haploid cell that is the male gamete. ... The sperm count is a measure of fertility in a man. ... Spermatogenesis refers to the creation, or genesis, of sperm cells, which occurs in the male gonads or testes. ... Spermicides are substances that are sperm killing. ... A spheroplast is a gram-negative bacterium from which the cell wall has been almost completely removed as by the action of penicillin. ... Genera Macroglossinae Smerinthinae Sphinginae etc. ... A member of a class of lipids derived from the aliphatic amino alcohol sphingosine. ... Sphingomyelin is a type of lipid involved in the nervous system of animals, used to increase the speed of transmission. ... Categories: Biochemistry stubs ... Mechanical sphygmomanometer with aneroid manometer and stethoscope Digital sphygmomanometer A sphygmomanometer is an inflatable cuff used to measure blood pressure. ... Families Suborder Mesothelae     Liphistiidae (primitive burrowing spiders) Suborder Mygalomorphae     Atypidae (atypical tarantula)     Antrodiaetidae (folding trapdoor spider)     Mecicobothriidae (dwarf tarantulas)     Hexathelidae (venomous funnel-web tarantula)     Dipluridae (funnel-web tarantula)     Cyrtaucheniidae (wafer trapdoor spider)     Ctenizidae (trapdoor spider)     Theraphosidae (tarantula) Suborder Araneomorphae     Hypochilidae (lampshade spider)     Filistatidae (crevice weaver)     Sicariidae (recluse spider)     Scytodidae (spitting... Species Ateles paniscus Ateles belzebuth Ateles chamek Ateles hybridus Ateles marginatus Ateles fusciceps Ateles geoffroyi Spider monkeys are New World monkeys of the family Atelidae, subfamily Atelinae. ... Spinach (Spinacia oleracea, Amaranthaceae) is a vegetable grown for its edible leaves. ... The spinal canal is the space in vertebrae through which the spinal cord passes. ... The spinal cord is a part of the vertebrate nervous system that is enclosed in and protected by the vertebral column (it passes through the spinal canal). ... The spinal cord is a part of the vertebrate nervous system that is enclosed in and protected by the vertebral column (it passes through the spinal canal). ... Spinal cord injury, or myelopathy, is a disturbance of the spinal cord that results in loss of sensation and mobility. ... The term spinal nerve generally refers to the mixed spinal nerve, which is formed from the dorsal and ventral roots that come out of the spinal cord. ... Spinal tap has two meanings: in medicine, a spinal tap is synonymous with a lumbar puncture Spinal Tap is a heavy metal music band documented in the mocumentary movie This is Spinal Tap. ... Spine is a word with several meanings. ... The spinothalamic tract is the sensory pathway in the body that transmits pain, temperature, itch and crude touch. ... This article is being considered for deletion in accordance with Wikipedias deletion policy. ... Spirituality, in a broad sense a concern with matters of the spirit, is a wide term with many available readings. ... Families Brachyspiraceae Leptospiraceae Spirochaetaceae The spirochaetes are a phylum of distinctive bacteria, which have long, helically coiled cells. ... Spirometry, also known as Pulmonary Function Testing (PFT), is the measurement of lung function, specifically by measuring the volume and speed of air that can be inhaled and exhaled. ... Spironolactone (marketed as Aldactone or Spiritone) is a synthetic 17-lactone steroid which is a renal competitive aldosterone antagonist in a class of pharmaceuticals called potassium-sparing diuretics, used primarily to treat low-renin hypertension, hypokalemia, and Conns syndrome. ... This biology article needs to be wikified. ... The splanchnic nerves, which are part of the autonomic nervous system, enervate the pelvic and genital organs, regulating the emptying of the urinary bladder and the rectum as well as sexual functions like erection and orgasm. ... The spleen is a ductless, vertebrate gland that is not necessary for life but is closely associated with the circulatory system, where it functions in the destruction of old red blood cells and removal of other debris from the bloodstream, and also in holding a reservoir of blood. ... The procedure of splenectomy involves removal of the spleen by operative means. ... Splenomegaly is an enlargement of the spleen. ... A spliceosome is a complex of RNA and many protein subunits, that remove the non-coding introns from unprocessed mRNA. The mRNA of prokaryotes is simpler, and they do not have introns, so only eukaryotes have spliceosomes. ... Split-brain is the condition where the corpus callosum connecting the two halves of the brain is severed to some degree. ... This article is about the animal. ... Itraconazole (Sporanox®) is an antifungal agent that is prescribed to patients with fungal infections. ... The term spore has several different meanings in biology. ... In the life-cycle of apicomplexan protozoa, sporozoites are cells that infect new hosts. ... Sports medicine or sport medicine is an interdisciplinary subspecialty of medicine which deals with the treatment and preventive care of athletes, both amateur and professional. ... Marriage is a relationship that plays a key role in the definition of many families. ... SPR stands for: Strategic Petroleum Reserve Society for Psychical Research United States Navy Mark 12 Mod 0 Special Purpose Rifle (aka Special Purpose Receiver) South Park Republican Saving Private Ryan Surface Plasmon Resonance This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the... In foundry work, a Sprue is the passage through which metal is poured into a mold. ... A sputum sample is the name given to the mucus that is coughed up from the lungs. ... Squalene is a low density compound often stored in the bodies of cartilaginous fishes such as sharks, who lacking a swim bladder must reduce their body density with fats and oils. ... Suborders Amphisbaenia - Worm lizards Sauria- Lizards Serpentes - Snakes Squamata (scaled reptiles) is the largest recent order of reptiles. ... In medicine, squamous cell carcinoma is a form of carcinoma cancer that occurs in many different organs, including the skin, the esophagus, the lungs, and the cervix. ... Suborders Myopsina Oegopsina Squids are the large, diverse group of marine mollusks, popular as food in cuisines as widely separated as the Japanese and the Italian. ... An individual with an small extropic strabismus Strabismus (sometimes called crossed or wandering eye) is a disorder of the eyes involving a lack of coordination between the muscles of the eyes. ... Genera Several, see text Squirrel is the common name for rodents of the family Sciuridae. ... Species Saimiri oerstedi Saimiri sciureus Saimiri ustus Saimiri boliviensis Saimiri vanzolini The squirrel monkeys are the New World monkeys of the genus Saimiri. ... SRP may refer to: Secure remote password protocol - a protocol for authentication. ... Binomial name Hypericum perforatum Linnaeus, St Johns wort used alone refers to the species Hypericum perforatum, also known as Klamath weed or Goat weed, but is used with qualifiers to refer to any species of the genus Hypericum. ... St. ... Different isotopes of one chemical element may have different radioactive properties. ... ... Stuttering is a speech disorder in which pronunciation of the (usually) first letter or syllable of a word is repeated involuntarily. ... The stapes or stirrup is the stirrup-shaped small bone or ossicle in the middle ear which attaches the incus to the fenestra ovalis, the oval window which is adjacent to the vestibule of the inner ear. ... Species S. aureus Staphylococcus (in Greek staphyle means bunch of grapes and coccos means granule) is a genus of gram-positive bacteria. ... Binomial name Staphylococcus aureus Staphylococcus aureus (also known as golden staph) is a bacterium, frequently living on the skin or in the nose of a healthy person, that can cause illnesses ranging from minor skin infections (such as pimples, boils, and cellulitis) and abscesses, to life-threatening diseases such as... Starch is a complex carbohydrate which is insoluble in water. ... Orders many Sea stars or starfish are animals belonging to phylum Echinodermata, class Asteroidea. ... Genera Aplonis Poeoptera Grafisia Onychognathus Lamprotornis Aplonis Aplonis Cinnyricinclus Speculipastor Neochicla Spreo Cosmoparus Sarroglossa Creatophora Fregilupus (extinct) Sturnus Leucopsar Basilornis Streptocitta Sarcops Scissirostrum See also Myna, Oxpecker Starlings are small to medium-sized passerine birds in the family Sturnidae. ... Starvation is a severe reduction in vitamin, nutrient, and energy intake, and is the most extreme form of malnutrition. ... A statistical model is used in applied statistics. ... Statistics is the science and practice of developing knowledge through the use of empirical data expressed in quantitative form. ... Stavudine (2-3-didehydro-2-3-dideoxythymidine, d4T) is a thymidine analogue active against HIV. It is phosphorylated by cellular kinases into active triphosphate. ... STD is an abbreviation used in several different contexts that stand for different terms. ... Stearic acid also called octadecanoic acid is one of the many useful types of saturated fatty acids that comes from many animal and vegetable fats and oils. ... Steatorrhea (or steatorrhoea) is the formation of bulky, grey or light colored stools. ... Steel framework Steel is a metal alloy whose major component is iron, with carbon being the primary alloying material. ... Mouse embryonic stem cells. ... Mouse embryonic stem cells. ... In medicine, a stent is an expandable wire mesh tube that is inserted into a hollow structure of the body to keep it open. ... The reddish-brown color of human feces is derived from stercobilin, a tetrapyrrole chemical compound created by bacterial action on bilirubin and subsequent oxidation. ... Stereochemistry, a subdiscipline of chemistry, involves the study of the relative spatial arrangement of atoms within molecules. ... Stereoisomerism is the arrangement of atoms in molecules whose connectivity remains the same but their arrangement in space is different in each isomer. ... For the term used in Computing, see Stereotype (computing). ... Sterility is the quality or state of being unable to reproduce. ... A steroid is a type of lipid, characterized by a carbon skeleton with four fused rings. ... Steroid hormones are steroids which act as hormones. ... Steroid hormone receptors are generally intracellular (specifically cytoplasmatic) receptors that perform signal transduction for steroid hormones. ... Sterols are a subgroup of steroids with a hydroxyl group in the 3-position of the A-ring. ... Sterol ester is a heterogenous group of chemical compounds known to reduce the level of low-density lipoprotein (LDL) cholesterol in blood when ingested. ... The Special Task Force (STF) was formed in 1983 to operate as a counterinsurgency force in Sri Lanka, not as a military force but rather a highly specialized police unit. ... The word stigma (plural stigmata) has more than one possible meaning: a mark such as that made with a branding iron in botany, stigma can mean a part of the female part of a flower; that part of a pistil which has no epidermis, and is fitted to receive the... Stills disease is a form of juvenile rheumatoid arthritis (JRA), characterized by high spiking fevers and transient rashes, named after the English physician Sir George F. Still (1861-1941). ... The expected result of pregnancy is the birth of a living child. ... A stimulant is a drug which increases the activity of the sympathetic nervous system and produces a sense of euphoria or awakeness. ... A stimulus is the following: In physiology, a stimulus (physiology) is something external that elicits or influences a physiological or psychological activity or response. ... This article is about the fish. ... STM can mean Scanning tunneling microscope. ... In chemistry, stoichiometry is the study of the combination of elements in chemical reactions. ... In anatomy, the stomach (in ancient Greek στόμαχος) is an organ in the alimentary canal used to digest food. ... In medicine, stomach cancer (also called gastric cancer) can develop in any part of the stomach and may spread throughout the stomach and to other organs. ... Peptic ulcer is a non-malignant ulcer of the stomach (called gastric ulcer) or duodenum (called duodenal ulcer). ... Families Not necessarily a complete list: Alainosquillidae Bathysquillidae Coronididae Erythrosquillidae Eurysquillidae Gonodactylidae Hemisquillidae Indosquillidae Lysiosquillidae Nannosquillidae Odontodactylidae Parasquillidae Protosquillidae Pseudosquillidae Squillidae Takuidae Tetrasquillidae The Mantis shrimps are the order Stomatopoda of crustaceans. ... Feces (also spelled faeces or fæces) are the waste products from the digestive tract expelled through the anus during defecation. ... This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Wikipedia does not yet have an article with this exact name. ... This person is ugly Strabismus (sometimes called crossed or wandering eye) is a disorder of the eyes involving a lack of coordination between the muscles of the eyes. ... The stratum corneum is the outermost layer of the epidermis, and comprises the surface of the skin. ... A complete weight training workout can be performed with a pair of adjustable dumbbells and a set of weight disks (plates). ... Families Cheirogaleidae Lemuridae Megaladapidae Indridae Daubentoniidae (Aye-aye) Loridae Galagonidae The Strepsirrhini clade is one of the two suborders of primates. ... Streptavidin is a tetrameric protein which binds very tightly to Biotin. ... Species S. pneumoniae S. pyogenes S. viridans Streptococcus is a genus of spherical, Gram-positive bacteria of the phylum Firmicutes. ... Binomial name Streptococcus pneumoniae Streptococcus pneumoniae is a species of Streptococcus that is a major human pathogen. ... The group A streptococcus bacterium (Streptococcus pyogenes) is responsible for most cases of streptococcal illness. ... Streptococcus salivarius is used in yoghurt manufacturing. ... Streptokinase is an extracellular metallo-enzyme produced by alpha-haemolytic streptococcus and is used as an effective and cheap clot-dissolving medication in some cases of myocardial infarction (heart attack) and pulmonary embolism. ... Streptomyces is a genus of Actinobacteria. ... Streptomycin was the first of a class of drugs called aminoglycosides to be discovered, and was the first antibiotic remedy for tuberculosis. ... Stress has different meanings in different fields: Stress in physics, see also pressure. ... A cluttered environment with too many tasks can lead to stress. ... A stressor is something that either speeds up a reaction rate or keeps the reaction rate the same. ... Brodmann area 17 (primary visual cortex) is shown in red in this image which also shows area 18 (orange) and 19 (yellow) The primary visual cortex (usually called V1) is the most well-studied visual area in the brain. ... Structure of a skeletal muscle Skeletal muscle is a type of striated muscle, attached to the skeleton. ... Green beans (of the common bean) Green beans are the immature pods of any kind of bean when eaten immature as a vegetable. ... A stroke or cerebrovascular accident (CVA) occurs when the blood supply to a part of the brain is suddenly interrupted by occlusion (an ischemic stroke- approximately 90%of strokes) or by hemorrhage (a hemorrhagic stroke - approximately 10% of strokes). ... Strongiloides stercoralis. ... General Name, Symbol, Number Strontium, Sr, 38 Series Alkaline earth metal Group, Period, Block 2 (IIA), 5, s Density, Hardness 2630 kg/m3, 1. ... Structural biology is the study of the architecture and shape of biological macromolecules--proteins and nucleic acids in particular--and what causes them to have the structures they have. ... Structural genomics or structural bioinformatics refers to the analysis of macromolecular structure particularly proteins, using computational tools and theoretical frameworks. ... Strychnine (pronounced strik-neen (British) or strik-nine (U.S.)) is a very toxic (LD50 = 1 mg/kg), colourless crystalline alkaloid used as a pesticide, particularly for killing small vertebrates such as rodents. ... STS means: Space Transport System, another name for the Space Shuttle program sequence-tagged site, in genomics in chemistry, Silver thriosulphate or Silver thriosulfate Science and Technology Studies, or Science, Technology and Society (Studies) Synchronous Transport Signal, part of the SONET communications system This is a disambiguation page — a navigational... Binomial name Sturnus vulgaris Linnaeus, 1758 The Common Starling (Sturnus vulgaris), or European Starling, is a passerine bird in the family Sturnidae. ... A child undergoing speech therapy for his stutter Stuttering (scientifically known as dysphemia and as stammering in the UK) is a speech disorder in which the normal flow of speech is frequently disrupted by repetitions (sounds, syllables, words or phrases), pauses and prolongations that differ both in frequency and severity... Streaming Transformations for XML (STX) is an XML transformation language intended as a high-speed, low memory consumption alternative to XSLT. External links STX home page Categories: XML standards | Computer stubs ... The meninges (singular meninx) are the system of membranes that contain the brain. ... In pharmacology and toxicology, a route of administration is the path by which a drug, fluid, poison or other substance is brought into contact with the body 1. ... Subliminal redirects here. ... The sublingual gland lies anterior to the submandibular gland under the tongue, beneath the mucous membrane of the floor of the mouth. ... The submandibular gland (sometimes called the submaxillary gland) is one of the glands responsible for saliva production. ... Drug addiction, or dependency is the compulsive use of drugs, to the point where the user has no effective choice but to continue use. ... In neuroscience, Substance P is a neuropeptide: a short-chain polypeptide that functions as a neurotransmitter. ... White matter is one of two categories of tissue in the nervous system. ... Grey matter is a category of nervous tissue with many nerve cell bodies and few myelinated axons. ... The substantia nigra (Latin for black substance) is a portion of the midbrain thought to be involved in certain aspects of movement and attention. ... Illustration of the backyards of a surburban neighbourhood Suburban redirects here. ... The acid succinic acid has the formula: HOOC-CH2-CH2-COOH At room temperature, pure succinic acid is a solid that forms colorless, odorless prisms. ... Succinate - coenzyme Q reductase also called succinate dehydrogenase is an enzyme complex found in the matrix part of the inner mitochondrial membrane. ... Succinimides are drugs that can be used as anticonvulsants. ... Suxamethonium chloride (also known as succinylcholine, or scoline) is a white crystalline substance, it is odourless and highly soluble in water. ... Suction is the creation of a partial vacuum, or region of low pressure. ... Sucrase (EC 3. ... Sucrose is the common chemical name for table sugar. ... A cardiac arrest is the cessation of normal circulation of the blood due to failure of the ventricles of the heart to contract effectively during systole. ... Suffocation can mean two things: Suffocation, or Asphyxia, is a medical condition where the body is depraved of oxygen. ... A sugar is a form of carbohydrate; the most commonly used sugar is a white crystalline solid, sucrose; used to alter the flavor and properties (mouthfeel, preservation, texture) of beverages and food. ... A sugar alcohol (also known as a polyol, polyhydric alcohol, or polyalcohol) is a hydrogenated form of carbohydrate, whose carbonyl group (aldehyde or ketone, reducing sugar) has been reduced to a primary or secondary hydroxyl group. ... Two sugar beets - the one on the left has been cultivated to be smoother than the traditional beet, so that it traps less soil. ... Suicide (from Latin sui caedere, to kill oneself) is the act of intentionally ending ones own life. ... Setuid is a UNIX term, and is short for Set User ID. Setuid, also sometimes referred to as suid, is an access right flag that can be assigned to files and directories on a UNIX based operating system. ... Sulfonamides, also known as sulfa drugs, are synthetic antimicrobial agents derived from sulfonic acid. ... Sulfamethoxazole is a sulfonamide antibiotic. ... Sulfonamides, also known as sulfa drugs, are synthetic antimicrobial agents derived from sulfonic acid. ... Sulfasalazine is a sulfa drug used primarily in the treatment of inflammatory bowel disease. ... Sulfate is the IUPAC name for the SO42- ion, consisting of a central sulfur atom single bonded to four tetrahedrally oriented oxygen atoms. ... In organic chemistry, a sulfhydryl group or thiol group is a functional group composed of a sulfur and a hydrogen atom (-SH). ... In chemistry, a sulfide (sulphide in British and Canadian English) is a combination of sulfur with an oxidation number of -2, with another chemical element or a radical thereof. ... Sulfites are sulfur-based compounds often used as preservatives in wines (to prevent spoilage and oxidation,) dried fruits, and dried potato products. ... Sulfonamides, also known as sulfa drugs, are synthetic antimicrobial agents derived from sulfonic acid. ... A sulfonate anion consists of sulfur double bonded to two oxygens and bonded to an R group and an oxygen anion. ... Sulfonylurea derivatives are a class of antidiabetic drugs that are used in the management of diabetes mellitus type 2 (adult-onset). They act by increasing insulin release from the beta cells in the pancreas. ... General Name, Symbol, Number sulfur, S, 16 Chemical series nonmetals Group, Period, Block 16 (VIA), 3, p Density, Hardness 1960 kg/m3, 2 Appearance Lemon yellow at STP Atomic properties Atomic weight 32. ... Pick one: sulfur monoxide sulfur dioxide sulfur trioxide This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Sumatriptan (Imitrex®, Imigran®) is a triptan drug originally developed by Glaxo for the treatment of migraine headaches. ... Binomial name Helianthus annuus The sunflower (Helianthus annuus) is a large (to 3 m) annual plant in the Family Asteraceae with a flower head (inflorescence) that is as much as 30 cm (1 ft) across and notable for turning to face towards the sun. ... Sunlight is also the trade name of the worlds first packaged, branded laundry soap producted by Lever Brothers. ... Sunscreen or sunblock is a lotion that is applied to reduce skin damage by blocking ultraviolet radiation from the sun. ... Hyperthermia is an acute condition resulting from excessive exposure to heat, it is also known as heat stroke or sunstroke. ... Superantigens (SAgs) are a group of virulent toxins that indiscriminately activate T-cells of the immune system causing system-wide inflammation and other serious, potentially fatal symptoms. ... The Cray-2; worlds fastest computer 1985–1990. ... A magnet levatating above a high-temperature superconductor with boiling liquid nitrogen underneath demonstrates the Meissner effect. ... In his theory of psychoanalysis, Sigmund Freud sought to explain how the unconscious mind operates by proposing that it has a particular structure. ... The superior colliculus is part of the brain that sits below the thalamus and surrounding the pineal gland. ... Superoxide is a reactive anion and free radical, formally O2-. It is produced most easily by burning rubidium or caesium in oxygen. ... Superoxide dismutase The enzyme superoxide dismutase , or SOD (EC 1. ... Superstition is a set of behaviors that may be faith based, or related to magical thinking, whereby the practitioner believes that the future, or the outcome of certain events, can be influenced by certain of his or her behaviors. ... A suppository is a medicine that is inserted either into the rectum (rectal suppository) or into the vagina (vaginal suppository) where it melts. ... The suprachiasmatic nucleus (SCN) is a nucleus in the hypothalamus and is so named because it resides immediately above the optic chaism (OX). ... In biology, the supraoptic nucleus is a nucleus of magnocellular neurosecretory cells in the hypothalamus, their axons extend into posterior pituitary. ... In mammals, the adrenal glands (also known as suprarenal glands) are the triangle-shaped endocrine glands that sit atop the kidneys. ... Suramin or Suramin sodium is a medicinal drug developed by Oskar Dressel in 1916. ... Surfactants, also known as wetting agents, lower the surface tension of a liquid, allowing easier spreading, and the interfacial tension between two liquids. ... Surgery Surgery (from the Greek cheirourgia - lit. ... A surrogate mother or ersatz mother is a woman who carries a child for a couple or single person with the intention of giving that child up once it is born (also called surrogate pregnancy). ... Suspension may refer to: suspension (chemistry) suspension bridge suspension (music) suspension (vehicle) (system of shock absorbers and supports that connect a vehicle to its wheels) suspension (civil engineering) (system that connects a structure to its foundation, for example in earthquake protection) suspension (topology) Suspension is a form of punishment in... Sutures are the stitches doctors, and especially surgeons, use to hold skin, organs, blood vessels and all other tissues of the human body together, after they have been severed in minor or major surgery. ... Swallowing, known scientifically as deglutition is the reflex in the human body that makes something pass from the mouth, through the esophagus. ... Binomial name Melospiza georgiana (Latham, 1790) The Swamp Sparrow, Melospiza georgiana, is a medium-sized sparrow. ... Sweating (also called perspiration or sometimes transpiration) is the loss of a watery fluid, consisting mainly of sodium chloride and urea in solution, that is secreted by the sweat glands in the skin of mammals. ... Sweating (also called perspiration or sometimes transpiration) is the loss of a watery fluid, consisting mainly of sodium chloride and urea in solution, that is secreted by the sweat glands in the skin of mammals. ... The gas bladder (also fish maw, less accurately swim bladder or air bladder) is an internal organ that contributes to the ability of a fish to control its buoyancy, and thus to stay at the current water depth, ascend, or descend without having to waste energy in swimming. ... Swimming is the method by which humans (or other animals) move themselves through water. ... Binomial name Sus scrofa Linnaeus, 1758 The domestic pig is usually given the scientific name Sus scrofa, though some authors call it , reserving for the wild boar. ... Sydenhams chorea is a disease characterized by rapid, uncoordinated jerking movements affecting primarily the face, feet and hands. ... Common Clownfish (Amphiprion ocellaris) in their magnificent sea anemone (Heteractis magnifica) home. ... Endoscopic Thoracic Sympathectomy (ETS) is a medical procedure where certain sympathetic nerve ganglia are burned, cut or clamped. ... The sympathetic nervous system (SNS) is one half of the autonomic nervous system; the parasympathetic nervous system (PNS) is the other. ... Binomial name Hylobates (Symphalangus) syndactylus (Raffles, 1821) The Siamang (Hylobates syndactylus) is an arboreal black furred gibbon native to the forests of Malaysia and Sumatra. ... A symporter, also known as a coporter, is an Integral Membrane Protein that is involved in facilitated diffusion. ... Originally, the term symposium referred to a drinking party; the Greek verb sympotein means to drink together. The term has since come to refer to any academic conference, irrespective of drinking. ... The term symptom (from the Greek syn = con/plus and pipto = fall, together meaning co-exist) has two similar meanings in the context of physical and mental health: A symptom can be a physical condition which shows that one has a particular illness or disorder (see e. ... Synapses allow nerve cells to communicate with one another through axons and dendrites, converting electrical signals into chemical ones. ... The synapsins are a family of proteins that have long been implicated in the regulation of neurotransmitter release at synapses. ... Synapses allow nerve cells to communicate with one another through axons and dendrites, converting electrical signals into chemical ones. ... In a neuron, synaptic vesicles, also called neurotransmitter vesicles, store the various neurotransmitters that are released during calcium-regulated exocytosis at the presynaptic terminal into the synaptic cleft of a synapse. ... Synaptogenesis is the formation of synapses. ... Synaptophysin is a synaptic vesicle glycoprotein weighing 38 kDa. ... A synaptosome is an isolated synapse of a neuron. ... This article is concerned with the synchrotron device - a sub-atomic particle accelerator. ... Synchrotron radiation refers to electromagnetic radiation similar to cyclotron radiation, but generated by electrons moving at highly relativistic speeds. ... Syncope can also mean fainting (in medicine). ... In medicine, the term syndrome is the association of several clinically recognizable features, signs, symptoms, phenomena or characteristics which often occur together, so that the presence of one feature alerts the physician to the presence of the others. ... Synergy or synergism, most often refers to the phenomenon of two or more discrete influences or agents acting in common to create an effect which is greater than the sum of the effects each is able to create independently. ... Synovial fluid is a thick, stringy fluid found in the cavities of synovial joints. ... The synovium or synovial membrane is a thin, weak layer of tissue which lines the non-cartilaginous surfaces within the joint space, sealing it from the surrounding tissue. ... The synovium or synovial membrane is a thin, weak layer of tissue which lines the non-cartilaginous surfaces within the joint space, sealing it from the surrounding tissue. ... In linguistics, syntax is the study of the rules, or patterned relations, that govern the way the words in a sentence come together. ... In linguistics, syntax is the study of the rules, or patterned relations, that govern the way the words in a sentence come together. ... syntaxins are proteins that integrate into membranes, permitting the membranes to fuse, for example SNARE-proteins (soluble N-ethylmaleimide-sensitive fusion protein attachment protein receptors) ... Depression-era U.S. poster advocating early syphilis treatment Syphilis (historically called lues) is a sexually transmitted disease (STD) that is caused by a spirochaete bacterium, Treponema pallidum. ... For many years, as a measure to prevent the spread of syphilis, states in the United States required a Wassermann test of the bride and groom prior to marriage, and the term became synonymous with syphilis testing. ... An uncollapsed syrinx (before surgery). ... Systole is the contraction of the chambers of the heart, driving blood out of the chambers. ...



 

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