The causal antecedent of ulcer — mucosal erosion — probably occurs not infrequently in the lives of persons who never develop an ulcer or suffer ulcer symptoms.

An esophageal ulcer is a sore produced by erosion of the protective mucosal layer that lines the esophagus. The esophagus is a muscular tube that connects the mouth to the stomach. In people with ...

Ulcers form when inflammation causes tissue erosion, leading to pain and discomfort in the area where the ulcer developed. There are several types of ulcers, each with its distinct causes ...