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The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus , stomach , and intestines .
The lower gastrointestinal tract (GI), includes the small intestine and all of the large intestine. [29] The intestine is also called the bowel or the gut. The lower GI starts at the pyloric sphincter of the stomach and finishes at the anus. The small intestine is subdivided into the duodenum, the jejunum and the ileum. The cecum marks the ...
Gastrointestinal diseases (abbrev. GI diseases or GI illnesses ) refer to diseases involving the gastrointestinal tract , namely the esophagus , stomach , small intestine , large intestine and rectum ; and the accessory organs of digestion , the liver , gallbladder , and pancreas .
American Society for Gastrointestinal Endoscopy (ASGE) [30] - was founded in 1941 and now includes around 15,000 members worldwide. Their mission statement reads "The American Society for Gastrointestinal Endoscopy is the global leader in advancing digestive care through education, advocacy and promotion of excellence and innovation in endoscopy."
Gastrointestinal physiology is the branch of human physiology that addresses the physical function of the gastrointestinal (GI) tract.The function of the GI tract is to process ingested food by mechanical and chemical means, extract nutrients and excrete waste products.
The gastrointestinal wall is inflamed in a number of conditions. This is called esophagitis , gastritis , duodenitis , ileitis , and colitis depending on the parts affected. It can be due to infections or other conditions, including coeliac disease , and inflammatory bowel disease affects the layers of the gastrointestinal tract in different ways.
Gastroenterology is a specialty of medicine that diagnoses and treats diseases of the gastrointestinal tract. Liver disease (the field of hepatology ) is generally considered part of gastroenterology.
Gastrointestinal tract; Gastrointestinal hormone; Gastrointestinal wall; Gastrolith; Gastrovascular cavity; Gulp: Adventures on the Alimentary Canal; Gut microbiota; Gut–brain axis; Gut–memory connection