a peptic ulcer located in the stomach's inner wall, caused in part by the corrosive action of the gastric juice on the mucous membrane.
Origin of gastric ulcer
First recorded in 1905–10
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An ulcer in the mucous membrane of the stomach.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.