Sep 29, 2025 · Gastrointestinal (GI) diseases affect your digestive system, causing a wide range of symptoms and altering the function or structure of the digestive system. Most cases clear up in a few days, but high fever, vomiting, or bloody stool need medical attention. Gastrointestinal diseases affect the gastrointestinal (GI) tract from the mouth to the anus. Examples include diarrhea and GERD. There are two types: functional and structural. The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. It's made up of a series of hollow organs that coordinate the movement. Most animals have a "through-gut" or complete digestive tract. Dec 12, 2018 · Gastrointestinal infections (GIs) can be caused by bacteria, viruses, and parasites. Learn gastrointestinal anatomy including the oesophagus, stomach, small intestine, appendix, colon, rectum and anal canal. Gastrointestinal diseases affect the gastrointestinal (GI) tract from the mouth to the anus. gastrointestinal tract, pathway by which food enters the body and solid wastes are expelled. Gastrointestinal is an adjective meaning of or pertaining to the stomach and intestines. Experts have recognized a powerful connection between the digestive system and the brain. Dec 5, 2023 · The digestive tract (or gastrointestinal [GI] tract) is a long, twisting tube that starts at the mouth and ends at the anus. Essential for clinical and surgical learning. 14. It's made up of a series of hollow organs that coordinate the movement Gastrointestinal diseases affect the gastrointestinal (GI) tract from the mouth to the anus. For example, psychologic factors greatly influence contractions of the intestine, secretion of digestive enzymes, and other functions of the digestive system. Find out what tests you need in case you sense a problem. Aug 13, 2025 · Gastrointestinal diseases like IBS, GERD, and diverticulosis can cause everything from mild discomfort to severe health issues, affecting how your digestive system functions. 3 Anatomy of the Gastrointestinal System Anatomy of the Gastrointestinal System [1] Layers of the Gastrointestinal (GI) Tract The entire length of the gastrointestinal tract is composed of the same four tissue layers. Starting from the deep inside the lumen (the hollow, tubular portion of the GI tract) and moving out to the superficial layer, these layers are the mucosa, submucosa Nov 24, 2025 · Learn about digestive disorders and how your gastrointestinal (GI) system works. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The gastrointestinal tract includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus.

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