ULCER

noun. an erosion of a tissue's exterior, like the digestive tract's mucosal lining.

ULCER: "The patient is suffering from symptoms of a peptic ulcer."
Cite this page: Nugent, Pam M.S., "ULCER," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/ulcer/ (accessed November 23, 2017).
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