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
Latinhiatus canalis nervi petrosi majoris,
hiatus canalis facialis
TA98A02.1.06.024
TA2662
FMA56445
Anatomical terms of 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.[1] 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.

References

  1. ^ Nturibi, Eric; Fakoya, Adegbenro O.; Bordoni, Bruno (2026), "Anatomy, Head and Neck: Greater Petrosal Nerve", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID 31971760, retrieved 2026-03-20


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