Petrous part of the temporal bone

Study entry

Description

The part of the base of the skull between the middle and posterior fossae; its upper margin (crest) is the limit between the two.

Relations

On the anterosuperior surface, the groove for the greater petrosal nerve.

Source: cap. 8, «Cráneo: fosas craneales» y tabla 8-2

Other structures in this region

• Squamous part of the frontal bone
• Orbital part of the frontal bone
• Glabella
• Superciliary arch
• Supraorbital margin
• Supraorbital foramen (notch)
• Frontal eminence
• Frontal crest