1
.
| Superior ganglion vagus nerve (X) |
2
.
| Accessory nerve (XI) |
3
.
| Branches of cervical nerves I - II to longus capitis and anterior rectus capitis muscles |
4
.
| Occipital artery |
5
.
| Hypoglossal nerve (XII) |
6
.
| Posterior belly digastric muscle |
7
.
| Inferior ganglion vagus nerve (X) |
8
.
| Internal jugular vein |
9
.
| Internal carotid artery |
10
.
| Superior root ansa cervicalis |
11
.
| Upper pointer: Lesser occipital nerve Lower pointer: Unnamed cutaneous nerve |
12
.
| Cervical fascia (deep layer of superficial lamina) |
13
.
| Accessory nerve (XI) (note communicating branches from second and third cervical nerves) |
14
.
| Supraclavicular nerves |
15
.
| Levator scapulae muscle (cut across) |
16
.
| Ventral branch cervical nerve I |
17
.
| Ganglion cervical nerve II (cut across) |
18
.
| Upper pointer: Anterior rectus capitis muscle Lower pointer: Anterior external vertebral venous plexus |
19
.
| Ganglion of cervical nerve III |
20
.
| Upper pointer: Intervertebral disc C. II- llI Lower pointer: Body of vertebra C. III |
21
.
| Ganglion cervical nerve IV |
22
.
| Ganglion cervical nerve V (displaced slightly inferiorly) |
23
.
| Superior articular surface vertebra C. VI |
24
.
| Spinal cord |