Medical Definition of Petrosal fossa

1. A small and often only faintly marked depression on the inferior surface of the petrous portion of the temporal bone, between the jugular fossa and the opening of the carotid canal; here opens the canaliculus tympanicus transmitting the tympanic nerve. Synonym: fossula petrosa, petrosal fossa, receptaculum ganglii petrosi. (05 Mar 2000)



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Lexicographical Neighbors of Petrosal Fossa

petromyzontiform
petromyzonts
petronel
petronels
petronoia
petropharyngeus
petrophysics
petroproduct
petroproducts
petrorevenue
petrosa
petrosal
petrosal bone
petrosal branch of middle meningeal artery
petrosal foramen
petrosal fossa (current term)
petrosal fossula
petrosal impression of the pallium
petrosal sinus
petrosal sinus sampling
petrosal vein
petrosalpingostaphylinus
petrosals
petroselinic
petroselinic acid
petrosilex
petrosilexes
petrosilicious
petrositis
petrosomastoid

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