Hiatus_of_the_facial_canal

Hiatus for greater petrosal nerve
Hiatus for greater petrosal nerve
	Coronal section of right temporal bone. (Bristle in hiatus of facial canal labeled at upper right.)
	The course and connections of the facial nerve in the temporal bone.
Details
Identifiers
Latin	hiatus canalis nervi petrosi majoris, ; hiatus canalis facialis
TA98	A02.1.06.024
TA2	662
FMA	56445
	Anatomical terms of bone [edit on Wikidata]

Hiatus for greater petrosal nerve

Hole in the temporal bone

The hiatus for the greater petrosal nerve is a small hole in the petrous part of the temporal bone which connects the facial canal to the middle cranial fossa. The greater petrosal nerve travels through it to branch from the facial nerve and reach the middle cranial fossa on its way to the pterygopalatine ganglion.

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