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  2. 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 ...

  3. Upper gastrointestinal series - Wikipedia

    en.wikipedia.org/wiki/Upper_gastrointestinal_series

    An upper gastrointestinal series, also called a barium swallow, barium study, or barium meal, is a series of radiographs used to examine the gastrointestinal tract for abnormalities. A contrast medium , usually a radiocontrast agent such as barium sulfate mixed with water, is ingested or instilled into the gastrointestinal tract, and X-rays are ...

  4. 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 .

  5. Gastroenterology - Wikipedia

    en.wikipedia.org/wiki/Gastroenterology

    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."

  6. Enteric nervous system - Wikipedia

    en.wikipedia.org/wiki/Enteric_nervous_system

    Layers of the Alimentary Canal.The wall of the alimentary canal has four basic tissue layers: the mucosa, submucosa, muscularis, and serosa. The enteric nervous system in humans consists of some 500 million neurons [11] (including the various types of Dogiel cells), [1] [12] 0.5% of the number of neurons in the brain, five times as many as the one hundred million neurons in the human spinal ...

  7. Gastrointestinal Endoscopy - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_Endoscopy

    Gastrointestinal Endoscopy is a monthly peer-reviewed medical journal covering gastroenterology, especially as relating to endoscopy. It is published by Elsevier and the official publication of the American Society for Gastrointestinal Endoscopy. The editor-in-chief is Douglas G. Adler, MD, FASGE.