See Also: petrosal foramen(medicine)
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Petrosal(medicine)
petrosal(dictionary)
petrosal bone(medicine)
petrosal fossa(medicine)
petrosal fossula(medicine)
petrosal vein(medicine)
petrosal sinus(medicine)

petrosal foramen (medicine)


petrosal foramen


An occasional opening in the greater wing of the sphenoid bone, between the foramen spinosum and foramen ovale, which transmits the lesser petrosal nerve.

Synonym: foramen petrosum, canaliculus innominatus, foramen of Arnold.