Posteror view of petrous part of the temporal bone

Term name Layer
1 Internal acoustic meatus Layer 1
2 Internal acoustic opening Layer 1
3 Arcuate eminence Layer 1
4 Apex of petrous part Layer 1
5 Groove for inferior petrosal sinus Layer 1
6 Intrajugular process Layer 1
7 Jugular notch Layer 1
8 Posterior surface of petrous part Layer 1
9 Groove for superior petrosal sinus Layer 1
10 Opening of vestibular canaliculus Layer 1
11 Superior border of petrous part Layer 1
12 Groove for sigmoid sinus Layer 1
13 Mastoid foramen Layer 1