dictionary help| foramen petrosum --> petrosal foramen | medical dictionary |
<anatomy> An occasional opening in the greater wing of the sphenoid bone, between the foramen spinosum and foramen ovale, which transmits the lesser petrosal nerve.
Synonyms: foramen petrosum, canaliculus innominatus, foramen of Arnold.
(05 Mar 2000)
petrosal, petrosal bone, petrosal branch of middle meningeal artery < Prev | Next > petrosal fossa, petrosal fossula
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