1
.
| Sphenoid process palatine bone |
2
.
| Lateral plate of pterygoid process |
3
.
| Pterygoid fossa |
4
.
| Medial plate of pterygoid process |
5
.
| Ala of vomer |
6
.
| Sphenooccipital fissure |
7
.
| Foramen lacerum |
8
.
| Lingula of sphenoid |
9
.
| Basal part occipital bone |
10
.
| Inferior surface of temporal bone |
11
.
| Petro-occipital fissure |
12
.
| Occipital condyle |
13
.
| Foramen magnum |
14
.
| Mandibular foramen |
15
.
| Infratemporal surface of sphenoid bone |
16
.
| Sphenosquamous suture |
17
.
| Angle of mandible |
18
.
| Foramen ovale |
19
.
| Foramen spinosum |
20
.
| Petrotympanic fissure |
21
.
| Styloid process |
22
.
| Carotid canal |
23
.
| Tympanic canaliculus |
24
.
| Mastoid canaliculus (partially obscured by posterior wall of jugular fossa) |
25
.
| Canaliculus chordae tympani |
26
.
| Stylomastoid foramen |
27
.
| Jugular fossa |
28
.
| External aperture of cochlear canaliculi |