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Upper gastrointestinal system

Upper gastrointestinal system

Overview

The upper gastrointestinal organs include the mouth, esophagus and stomach.

Review Date 8/2/2016

Updated by: Raymond S. Koff, MD, Clinical Professor of Medicine, University of Connecticut School of Medicine, Farmington, CT. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.