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  1. Gastrointestinal tract - Wikipedia

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

  2. Gastrointestinal Diseases: Symptoms, Treatment & Causes

    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.

  3. Gastrointestinal tract | Definition, Organs, Diagram, & Facts ...

    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 …

  4. Your Digestive System & How it Works - NIDDK

    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 …

  5. Gastrointestinal (GI) Disease: Types, Symptoms & More - Health

    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.

  6. Overview of the Digestive System - The Merck Manuals

    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 …

  7. Definition of gastrointestinal system - NCI Dictionary of ...

    The gastrointestinal system includes the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus. It also includes the salivary glands, liver, …