Hiatus for greater petrosal nerve

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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.
Latin Hiatus canalis nervi petrosi majoris,
hiatus canalis facialis
TA A02.1.06.024
FMA 56445
Anatomical terms of bone

A shallow groove, sometimes double, leading lateralward and backward to an oblique opening, the hiatus for greater petrosal nerve (or hiatus of the facial canal), for the passage of the greater superficial petrosal nerve and the petrosal branch of the middle meningeal artery from the facial canal.

See also[edit]


This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links[edit]

  • cranialnerves at The Anatomy Lesson by Wesley Norman (Georgetown University) (VII)