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Anal Fissure

definition

A painful linear ulcer at the margin of the anus. It appears as a crack or slit in the mucous membrane of the anus and is very painful and difficult to heal. (Dorland, 27th ed & Stedman, 25th ed)

synonyms

Anal Fissure

UMLS

Anal Fissure, Anal Fissures, Anal Ulcer, ANAL ULCERATION, Anal Ulcers, ANUS, FISSURE, Fissure in Ano, Fissure, anal, Fissured, anal, Fissure-in-ano, Fissures, Anal, Nontraumatic tear of anus, Ulcer, Anal, Ulcers, Anal

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