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petrosal nerve

   Also found in: Wikipedia 0.03 sec.
petrosal nerve [pə′trō·səl ‚nərv]
(neuroscience)
Any of several small nerves passing through the petrous part of the temporal bone and usually attached to the geniculate ganglion.


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This subgroup also included intratympanic, attic, and hypotympanic meningiomas and those of the geniculate ganglion, the sulci of the greater and lesser petrosal nerves, the jugular foramen, the internal acoustic meatus, the mastoid process, and the petrous bone.
In House's report in 1961, he described a method of using the facial hiatus and greater superficial petrosal nerve as landmarks.
Furthermore, posterior transposition requires severing the chorda tympani and greater superficial petrosal nerves, which results in transient dysgeusia and an ipsilateral dry eye.
 
 
 
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