from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The branch of medicine dealing with the study of disorders affecting the stomach, intestines, and associated organs.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The study of the digestive system, from mouth to anus. May also include the study of accessory organs: pancreas, liver, gallbladder and bile ducts.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the branch of medicine that studies the gastrointestinal tract and its diseases
gastro-, from Ancient Greek γαστήρ (gastēr, "belly") + enterology, from entero-, from Ancient Greek ἔντερον (enteron, "intestine"). (Wiktionary)