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.
ID
http://purl.bioontology.org/ontology/MESH/D005401
altLabel
Ulcer, Anal
Ulcers, Anal
Fissure, Anal
Anal Ulcers
Anal Ulcer
Anal Fissure
AN
do not confuse entry term ANAL FISSURE with ANAL FISTULA see RECTAL FISTULA
AQL
BL CF CI CL CN CO DG DH DI DT EC EH EM EN EP ET GE HI IM ME MI MO NU PA PC PP PS PX RH RT SU TH UR VE VI
cui
C4759657
C0016167
DC
1
definition
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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