A peptic ulcer is an open sore or raw area in the lining of the
stomach (gastric) or the upper part of the small intestine
(duodenal).
Review Date: 09/28/2005
Reviewed By: A.D.A.M. Medical Illustration Team
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
