An anal fissure is a tear to the squamous epithelial mucosa of the anal canal (i.e. anoderm) between the anocutaneous junction
and the dentate line. It is thought to result from trauma by the passage of hard stool.
content in this topic is referenced in SCORE AnalPathology: Fissures, Abscesses, Fistulae, Pilonidal, Prolapse overview
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