MeSH Browser

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 Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2020/03/03

Allowable Qualifiers: blood (BL)

cerebrospinal fluid (CF)

chemically induced (CI)

classification (CL)

complications (CO)

congenital (CN)

diagnosis (DI)

diagnostic imaging (DG)

diet therapy (DH)

drug therapy (DT)

economics (EC)

embryology (EM)

enzymology (EN)

epidemiology (EP)

ethnology (EH)

etiology (ET)

genetics (GE)

history (HI)

immunology (IM)

metabolism (ME)

microbiology (MI)

mortality (MO)

nursing (NU)

parasitology (PS)

pathology (PA)

physiopathology (PP)

prevention & control (PC)

psychology (PX)

radiotherapy (RT)

rehabilitation (RH)

surgery (SU)

therapy (TH)

urine (UR)

veterinary (VE)

virology (VI)

Fissure in Ano MeSH Descriptor Data 2025