1
.
| Parietal margin |
2
.
| Parietal incisura |
3
.
| Sigmoid sulcus |
4
.
| Mastoid foramen |
5
.
| Occipital margin |
6
.
| Superior petrous sulcus & subarcuate fossa |
7
.
| Aperture of external vestibular aqueduct |
8
.
| Posterior pyramidal surface |
9
.
| External aperture cochlear canaliculi |
10
.
| Internal acoustic meatus |
11
.
| Posterior pyramidal angle |
12
.
| Inferior pyramidal surface |
13
.
| Temporal bone (squamous part) |
14
.
| Cerebral surface |
15
.
| Groove for posterior branch of middle meningeal artery |
16
.
| Arcuate eminence |
17
.
| Tegmen tympani |
18
.
| Zygomatic process |
19
.
| Sphenoidal margin |
20
.
| Ant. pyramidal surface |
21
.
| Pyramidal apex |
22
.
| Styloid process |