Gastrointestinal is an adjective meaning of or pertaining to the stomach and intestines. Most animals have a "through-gut" or complete digestive tract.

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.

gastrointestinal tract, pathway by which food enters the body and solid wastes are expelled. The gastrointestinal tract includes the mouth, pharynx, esophagus, stomach, small intestine, large …

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.

The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a …

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.

14.3 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 …

Experts have recognized a powerful connection between the digestive system and the brain. For example, psychologic factors greatly influence contractions of the intestine, secretion of digestive …

Nov 24, 2025 · Learn about digestive disorders and how your gastrointestinal (GI) system works. Find out what tests you need in case you sense a problem.

Dec 12, 2018 · Gastrointestinal infections (GIs) can be caused by bacteria, viruses, and parasites. Most cases clear up in a few days, but high fever, vomiting, or bloody stool need medical attention.