Gastrointestinal :: Gastrointestinal (a.) Of or pertaining to the stomach and intestines; gastroenteric.
Intestinal :: Intestinal (a.) Of or pertaining to the intestines of an animal; as, the intestinal tube; intestinal digestion; intestinal ferments..
Intestine :: Intestine (a.) Internal; inward; -- opposed to external.
Intestine :: Intestine (a.) Internal with regard to a state or country; domestic; not foreign; -- applied usually to that which is evil; as, intestine disorders, calamities, etc..
Intestine :: Intestine (a.) Depending upon the internal constitution of a body or entity; subjective.