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.
Gastrointestinal tract. Some references consider mouth and anus as parts of the gastrointestinal tract. However, the literal meaning of gastrointestinal pertains to the gastro- (from gastric) for stomach and intestinal for intestines, thus, only to stomach and the intestines.