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.
The gastrointestinal tract is the soft tissue tube that begins at the mouth and ends with the anus and includes all the digestive organs in between. GI specialists are doctors who specialize in disease of the gastrointestinal tract. Several abdominal organs, including the pancreas, liver, and gallbladder.