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.
Overview. Gastrointestinal (GI) motililty refers to the movement of food from the mouth through the throat, esophagus, stomach, small and large intestines and out of the body.The contraction of muscles in the intestinal tract propels food forward or aids in digestion by increasing the mixing of food.verview. Gastrointestinal (GI) motililty refers to the movement of food from the mouth through the throat, esophagus, stomach, small and large intestines and out of the body.