Hiatus for greater petrosal nerve

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.

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.
LatinHiatus canalis nervi petrosi majoris,
hiatus canalis facialis
Anatomical terms of bone

See also


This article incorporates text in the public domain from page 142 of the 20th edition of Gray's Anatomy (1918)

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

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.