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 digestive tract is a tubular passageway that extends from mouth opening to anus and is divisible into the following regions: oral cavity, pharynx, esophagus, gaster, small intestine and small intestine. The latter three organs are collectively referred to as the gastrointestinal tract.