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ischioanal fossa

 

Definition: a wedge-shaped space with its base toward the perineum and lying between the tuberosity of the ischium and the obturator internus muscle laterally and the external anal sphincter and the levator ani muscle medially.

Synonym(s): fossa ischioanalisTA, fossa ischiorectalis, ischiorectal fossa, Velpeau fossa

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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