| 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 |
