Fissure in Ano
A painful linear tear 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.
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Subheadings:
Tree Number(s): C06.405.469.860.101.430
MeSH Unique ID: D005401
Entry Terms:
- Anal Fissure
- Fissure, Anal
- Anal Ulcer
- Anal Ulcers
- Ulcer, Anal
- Ulcers, Anal