What does a hyphen look like? â is a punctuation mark used to join words and to separate syllables of a single word.
Definition of gastrointestinal tract. medical. : the part of the digestive system that consists of the stomach and intestines.
1 Gastrointestinal (GI) bleeding is when bleeding occurs in any part of the gastrointestinal tract. 2  The GI tract includes your esophagus, stomach, small intestine, large intestine (colon), rectum, and anus. 3  GI bleeding itself is not a disease, but a symptom of any number of conditions. Gastrointestinal (GI) bleeding is when bleeding occurs in any part of the gastrointestinal tract. 2  The GI tract includes your esophagus, stomach, small intestine, large intestine (colon), rectum, and anus. 3  GI bleeding itself is not a disease, but a symptom of any number of conditions.