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 flora are bacteria that help your digestive tract function. Your gastrointestinal tract, or GI tract, is responsible for providing your body with nutrients, vitamins and minerals found in the food you consume.