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Encyclopedia > Cecum
Cecum
Superior ileocecal fossa. (Cecum labeled at bottom left.)
Gray's subject #249 1177
Precursor Midgut
MeSH Cecum
Dorlands/Elsevier c_01/12204134

The cecum or caecum (from the Latin caecus meaning blind) is a pouch connected to the ascending colon of the large intestine and the ileum. It is separated from the ileum by the ileocecal valve (ICV) or Bauhin's valve, and is considered to be the beginning of the large intestine. It is also separated from the colon by the cecocolic junction. Image File history File links Stomach_colon_rectum_diagram. ... Image File history File links Gray1043. ... This article or section is in need of attention from an expert on the subject. ... The midgut is the portion of the embryo from which most of the intestines are derived. ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo. ... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... Blind can refer to: Look up blind on Wiktionary, the free dictionary. ... For the article about the punctuation symbol, see Colon (punctuation). ... The large intestine, or the organ which is now more commonly referred to as the colon, is the last part of the digestive system: the final stage of the alimentary canal in vertebrate animals. ... Grays Fig. ... This page is a candidate for speedy deletion, because: lack of content If you disagree with its speedy deletion, please explain why on its talk page or at Wikipedia:Speedy deletions. ...

Contents

Variation across species

The cecum is present in mammals, and two ceca are present in most birds, and some reptiles. Subclasses Subclass Allotheria* Order Docodonta (extinct) Order Multituberculata (extinct) Order Palaeoryctoides (extinct) Order Triconodonta (extinct) Order Volaticotheria (extinct) Subclass Prototheria Order Monotremata Subclass Theria Infraclass Trituberculata (extinct) Infraclass Metatheria Infraclass Eutheria The mammals are the class of vertebrate animals characterized by the production of milk in females for the nourishment... “Aves” redirects here. ... Subclasses Anapsida Diapsida Synonyms Reptilia Laurenti, 1768 Reptiles are tetrapods and amniotes, animals whose embryos are surrounded by an amniotic membrane, and members of the class Sauropsida. ...


Most herbivores have a relatively large cecum, hosting a large number of bacteria, which aid in the enzymatic breakdown of plant materials such as cellulose. A deer and two fawns feeding on some foliage A herbivore is often defined as any organism that eats only plants[1]. By that definition, many fungi, some bacteria, many animals, about 1% of flowering plants and some protists can be considered herbivores. ... Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Omnibacteria Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular, bacterium) are a major group of living organisms. ... Ribbon diagram of the enzyme TIM, surrounded by the space-filling model of the protein. ... Cellulose as polymer of β-D-glucose Cellulose in 3D Cellulose (C6H10O5)n is a polysaccharide of beta-glucose. ...


Exclusive carnivores, whose diets contain little or no plant material, have a reduced cecum, often partially or wholly replaced by the vermiform appendix. This tigers sharp teeth and strong jaws are the classical physical traits expected from carnivorous mammalian predators A carnivore (IPA: ), meaning meat eater (Latin carne meaning flesh and vorare meaning to devour), is an animal that eats a diet consisting mainly of meat, whether it comes from live animals... In human anatomy, the vermiform appendix (or appendix, pl. ...


Etymology

The term cecum comes from the Latin, meaning blind gut or cul de sac. For other uses, see Cul-de-sac (disambiguation). ...


In dissections by the Greek philosophers, the connection between the ileum of the small intestines and the cecum was not fully understood. Most of the studies of the digestive tract were done on animals and the results were compared to human structures. Grays Fig. ...


The junction between the small intestines and the colon, called the ileocecal valve, is so small in some animals that it was not considered to be a connection between the small and large intestines. During a dissection, the colon could be traced from the rectum, to the sigmoid colon, through the descending, transverse, and ascending sections. The colon seemed to dead-end into the cecum, or cul-de-sac. This page is a candidate for speedy deletion, because: lack of content If you disagree with its speedy deletion, please explain why on its talk page or at Wikipedia:Speedy deletions. ...


However, the connection between the end of the small intestines, ileum, and the start of the colon, cecum are now clearly understood, but the name has not changed.


See also

McBurneys point is the name given to the point over the right side of the human abdomen that is one-third the distance from the ASIS (anterior superior iliac spine) to the umbilicus. ...

Additional images

External links


  Results from FactBites:
 
Gray, Henry. 1918. Anatomy of the Human Body. Page 1177 (713 words)
The cecum lies quite free in the abdominal cavity and enjoys a considerable amount of movement, so that it may become herniated down the right inguinal canal, and has occasionally been found in an inguinal hernia on the left side.
The cecum varies in shape, but, according to Treves, in man it may be classified under one of four types.
As the fetus grows the cecum increases in length more than in breadth, so that it forms a longer tube than in the primitive form and without the broad base, but with the same inclination of the apex toward the ileocolic junction.
Reference.com/Encyclopedia/Cecum (353 words)
The cecum or caecum (from the Latin caecus meaning blind) is a pouch connected to the ascending colon of the large intestine and the ileum.
The cecum is present in mammals, and two ceca are present in most birds, and some reptiles.
In dissections by the Greek philosophers, the connection between the ileum of the small intestines and the cecum was not fully understood.
  More results at FactBites »


 
 

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