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  2. Gastrointestinal wall - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_wall

    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.

  3. Gastrointestinal tract - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_tract

    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 .

  4. Human digestive system - Wikipedia

    en.wikipedia.org/wiki/Human_digestive_system

    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 ...

  5. Stomach - Wikipedia

    en.wikipedia.org/wiki/Stomach

    The gastrointestinal wall of the human stomach Layers of the gastrointestinal wall of which the stomach is a dilated part. Like the other parts of the gastrointestinal wall, the human stomach wall from inner to outer, consists of a mucosa, submucosa, muscular layer, subserosa and serosa. [16]

  6. Duodenum - Wikipedia

    en.wikipedia.org/wiki/Duodenum

    These cause the liver and gallbladder to release bile, and the pancreas to release bicarbonate and digestive enzymes such as trypsin, lipase and amylase into the duodenum as they are needed. [ 16 ] The duodenum is a critical contributor to the regulation of food intake [ 17 ] and glycemic control. [ 18 ]

  7. Foregut - Wikipedia

    en.wikipedia.org/wiki/Foregut

    The main function of the ENS is to control the secretory activity of the gastrointestinal glands and peristalsis of the gastrointestinal wall. [1] A large number of organs derived from the developing foregut also receive input from the vagus nerve, which also works in tandem with the ENS to control gastrointestinal function.

  8. Small intestine - Wikipedia

    en.wikipedia.org/wiki/Small_intestine

    Digested food is now able to pass into the blood vessels in the wall of the intestine through either diffusion or active transport. The small intestine is the site where most of the nutrients from ingested food are absorbed. The inner wall, or mucosa, of the small intestine, is lined with intestinal epithelium, a simple columnar epithelium.

  9. Gastroenterology - Wikipedia

    en.wikipedia.org/wiki/Gastroenterology

    The digestive system functions to move material through the GI tract via peristalsis, break down that material via digestion, absorb nutrients for use throughout the body, and remove waste from the body via defecation. [3] Physicians who specialize in the medical specialty of gastroenterology are called gastroenterologists or sometimes GI doctors.

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