1
.
| Upper pointer: Facial nerve (VII) within facial canal Lower pointer: Stapedius muscle |
2
.
| Tympanic nerve within tympanic canaliculus |
3
.
| Auricular branch vagus nerve |
4
.
| Glossopharyngeal nerve (IX) |
5
.
| Upper pointer: Styloid process temporal bone (covered by periosteum) Lower pointer: Internal jugular vein (cut off) |
6
.
| Longus capitis muscle (cut across) |
7
.
| Splenius capitis muscle (cut across) |
8
.
| Posterior belly of digastric muscle |
9
.
| Occipital artery |
10
.
| Sternocleidomastoid muscle |
11
.
| Internal carotid artery left |
12
.
| Internal carotid artery left (cut across in cavernous sinus) |
13
.
| Sphenoid sinus (opened) |
14
.
| Periosteal lining of carotid canal |
15
.
| Veins and connective tissue of petro-occipital fissure (bone removed) |
16
.
| Basal part occipital bone (sectioned in midline) |
17
.
| Periosteum (reinforced by anterior atlanto-occipital membrane and pharyngobasilar fascia) |
18
.
| Jugular ganglion of vagus nerve (X) |
19
.
| Accessory nerve (Xl) |
20
.
| Hypoglossal nerve (XII) |
21
.
| Anterior rectus capitis muscle (cut across) |
22
.
| Longus capitis muscle (cut across) |
23
.
| Dens (axis) |
24
.
| Superior pharyngeal[ constrictor muscle |
25
.
| Nodose ganglion of vagus nerve (X) |
26
.
| Middle pharyngeal constrictor muscle |