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Fissure in Ano MeSH Descriptor Data 2026


MeSH Heading
Fissure in Ano
Tree Number(s)
C06.405.469.860.101.430
Unique ID
D005401
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D005401
Annotation
do not confuse entry term ANAL FISSURE with ANAL FISTULA see RECTAL FISTULA
Scope Note
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.
Entry Term(s)
Anal Fissure
Anal Ulcer
NLM Classification #
WI 605
Date Introduced
1966/01/01
Last Updated
2020/03/03
Fissure in Ano Preferred
Anal Ulcer Related
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