: of, relating to, affecting, or including both stomach and intestine
First Known Use of GASTROINTESTINAL
gas·tro·in·tes·ti·nal adjective \ˌgas-trō-in-ˈtes-tən-əl, -ˈtes(t)-nəl\ (Medical Dictionary)
: of, relating to, or affecting both stomach and intestine <gastrointestinal distress>
Seen & Heard
What made you want to look up gastrointestinal? Please tell us where you read or heard it (including the quote, if possible).