Petrosal process

Petrosal process

Infobox Bone
Name = Petrosal process
Latin =
GraySubject = 35
GrayPage = 147



Caption = Sphenoid bone. Upper surface. (Petrosal process labeled at bottom center.)


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On either side of the dorsum sellae of the sphenoid bone is a notch for the passage of the abducent nerve, and below the notch a sharp process, the petrosal process, which articulates with the apex of the petrous portion of the temporal bone, and forms the medial boundary of the foramen lacerum.

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