Medical Definition of Fossa ischiorectalis

1. 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: fossa ischiorectalis, ischioanal fossa, Velpeau's fossa. (05 Mar 2000)

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Lexicographical Neighbors of Fossa Ischiorectalis

fossa hyaloidea
fossa hypophysialis
fossa iliaca
fossa iliacosubfascialis
fossa incisiva
fossa incudis
fossa infraclavicularis
fossa infraspinata
fossa infratemporalis
fossa inguinalis lateralis
fossa inguinalis medialis
fossa innominata
fossa intercondylaris
fossa intermesocolica transversa
fossa interpeduncularis
fossa ischiorectalis (current term)
fossa jugularis
fossa lateralis cerebri
fossa malleoli fibulae
fossa malleoli lateralis
fossa mandibularis
fossa navicularis Cruveilhier
fossa navicularis auriculae
fossa navicularis auris
fossa of Sylvius
fossa of anthelix
fossa of ductus venosus
fossa of helix

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