Petrosal fossula
Fossula petrosa
Definition
The petrosal fossula is a small depression in the bony ridge between the carotid canal and the jugular fossa, occupied by the tympanic ganglion of the glossopharyngeal nerve.
References
The petrosal fossula is a small depression in the bony ridge between the carotid canal and the jugular fossa, occupied by the tympanic ganglion of the glossopharyngeal nerve.
References
