Lower gastrointestinal tract
Small intestine (duodenum, jejunum, ileum) • Vermiform appendix • Ileocecal valve Image File history File links Uppergi. ... For the Physics term GUT, please refer to Grand unification theory The gastrointestinal or digestive tract, also referred to as the GI tract or the alimentary canal or the gut, is the system of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and... Human anatomy or anthropotomy is a special field within anatomy. ... The human torso Torso is an anatomical term for the greater part of the human body without the head and limbs. ... For the Physics term GUT, please refer to Grand unification theory The gastrointestinal or digestive tract, also referred to as the GI tract or the alimentary canal or the gut, is the system of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and... The gastrointestinal tract (GI tract), also called the digestive tract, alimentary canal, or gut, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. ... Sagittal section of nose mouth, pharynx, and larynx. ... The pharynx (plural: pharynges) is the part of the neck and throat situated immediately posterior to the mouth and nasal cavity, and cranial to the esophagus, larynx, and trachea. ... The pharynx is the part of the digestive system of many animals immediately behind the mouth and in front of the esophagus. ... The pharynx is the part of the digestive system of many animals immediately behind the mouth and in front of the esophagus. ... In human anatomy, the hypopharynx is the bottom part of the pharynx, and is the part of the throat that connects to the esophagus. ... The esophagus (also spelled oesophagus/Å“sophagus, Greek ), or gullet is an organ in vertebrates which consists of a muscular tube through which food passes from the mouth area to the stomach. ... The crop is a thin-walled expanded portion of the alimentary tract used for the storage of food prior to digestion that is found in many animals, including earthworms, leeches, insects, and birds. ... It has been suggested that some sections of this article be split into a new article entitled Human stomach. ... Rugae are the mucus-covered ridges, or folds, located on the inside of the stomach wall. ... Gastric pits are indentations in the stomach which denote entrances to the glands. ... The cardia is the anatomical term for the junction orifice of the stomach and the esophagus. ... The cardiac glands of the stomach are few in number and occur close to the cardiac orifice where the esophagus joins the stomach. ... The left portion of the body of the stomach is known as the fundus, and is marked off from the remainder of the body by a plane passing horizontally through the cardiac orifice. ... The fundus glands (or fundic glands) are found in the body and fundus of the stomach; they are simple tubes, two or more of which open into a single duct. ... From Greek pylorus; pyl- = gate, -orus = guard. ... The pyloric glands are found in the pyloric portion of the stomach. ... Pyloric antrum is initial portion of the pyloric part of the stomach, which may temporarily become partially or completely shut off from the remainder of the stomach during digestion by peristaltic contraction of the prepyloric sphincter; it is demarcated, sometimes, from the second part of the pyloric part of the... In biology the small intestine is the part of the gastrointestinal tract (gut) between the stomach and the large intestine. ... In anatomy of the digestive system, the duodenum is a hollow jointed tube connecting the stomach to the jejunum. ... Diagram of the Human Intestine In anatomy of the digestive system, the jejunum is the central of the three divisions of the small intestine and lies between the duodenum and the ileum. ... Grays Fig. ... In human anatomy, the vermiform appendix (or appendix, pl. ... 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. ...

Large intestine: Cecum • Colon (ascending colon, transverse colon, descending colon, sigmoid colon) • Rectum (Houston valve, rectal ampulla, pectinate line) • Anal canal (anal valves, anal sinuses, anal columns) 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. ... In anatomy of the digestive system, the cecum or caecum is a pouch connected to the large intestine between the ileum. ... For the article about the punctuation symbol, see Colon (punctuation). ... In anatomy of the digestive system, the colon or large intestine or large bowel is the part of the intestine from the cecum to the rectum. ... In anatomy of the digestive system, the colon is the part of the intestine from the cecum to the rectum. ... The Descending Colon passes downward through the left hypochondriac and lumbar regions along the lateral border of the left kidney. ... The sigmoid colon is the part of the large intestine after the descending colon and before the rectum. ... The rectum (from the Latin rectum intestinum, meaning straight intestine) is the final straight portion of the large intestine in some mammals, and the gut in others, terminating in the anus. ... Although the term rectum means straight, the human rectum is not. ... The rectum is about 12 cm. ... The pectinate line (anocutaneous line, dentate line, anal verge, anorectal junction) is a line which marks the end of the anal canal and the beginning of the rectum. ... The anal canal is the terminal part of the large intestine. ... The rectal sinuses, end in small valve-like folds, termed anal valves, which join together the lower ends of the rectal columns. ... The rectal columns are separated from one another by furrows, or rectal sinuses, which end below in small valve-like folds, termed anal valves. ... The lumen of the anal canal presents, in its upper half, a number of vertical folds, produced by an infolding of the mucous membrane and some of the muscular tissue. ...

Anus: Sphincter ani internus muscle • Sphincter ani externus muscle Female Human Anatomy Male Human Anatomy This article is about the bodily orifice. ... The Sphincter ani internus muscle is a muscle of the human body. ... The Sphincter ani externus muscle is a muscle of the human body. ...

GALT: Peyer's patches • M cells Overview About 70% of the bodys immune system is found in the digestive tract. ... Peyers patches are secondary lymphoid organs named after the 17th-century Swiss anatomist Hans Conrad Peyer. ... M cells (or Microfold cells) are cells found in the follicle-associated epithelium of the Peyers patch that have the unique ability to sample antigen from the lumen of the small intestine and deliver it via transcytosis to antigen presenting cells and lymphocytes located in a unique pocket-like...

intestinal villus • crypts of Lieberkühn • circular folds • taenia coli • haustra • epiploic appendix For other meanings of villus/villi, see villi. ... The crypts of Lieberkühn are glands found in the epithelial lining of the small intestine. ... The circular folds (valves of Kerkring) are large valvular flaps projecting into the lumen of the bowel. ... The Taenia Coli are three separate longitudinal ribbons of smooth muscle on the outside of the ascending, transverse, descending and sigmoid colons. ... The haustra of the colon are the small pouches caused by sacculation, which give the colon its segmented appearance. ... The epiploic appendices (or epiploic appendages) are small pouches of the peritoneum filled with fat and situated along the colon and upper part of the rectum. ...