Anterior view of the temporal bone

Term name Layer
1 Groove for greater petrosal nerve Layer 1
2 Hiatus for greater petrosal nerve Layer 1
3 Carotid canal Layer 1
4 Apex of petrous part Layer 1
5 Superior border of petrous part Layer 1
6 Trigeminal impression Layer 1
7 Groove for superior petrosal sinus Layer 1
8 Arcuate eminence Layer 1
9 Petrosquamous fissure Layer 1