Ischioanal fossa — Free Anatomy Illustration | GPAI | GPAI

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Ischioanal fossa — Free Anatomy Illustration | GPAI | GPAI

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Ischioanal fossa

Ischioanal fossa

Anatomy

Ischioanal fossa

Wedge-shaped fat-filled anatomical space of the perineal region, depicted as a yellow to pale yellow triangular or hollow pyramidal fossa. The space is broad laterally, narrows medially toward the anal canal, and may be shown with a broad inferior base and tapering superior apex. It has smooth sloping walls, rounded margins, and appears as a padded cavity bordered by surrounding soft tissue planes, either isolated or in cutaway alongside the anal canal.

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