1
.
| Occipital artery |
2
.
| Mastoid process temporal bone |
3
.
| Superior oblique capitis muscle |
4
.
| Lymph node |
5
.
| Splenius capitis muscle (reflected) |
6
.
| Aberrant muscular slip from longissimus capitis muscle to semispinalis capitis muscle |
7
.
| Descending branch occipital artery |
8
.
| Muscular branch of dorsal branch cervical nerve II |
9
.
| Longissimus capitis muscle |
10
.
| Splenius cervicis muscle (reflected) |
11
.
| Muscular branch of dorsal branch cervical nerve IV |
12
.
| Longissimus cervicis muscle |
13
.
| Greater occipital nerve |
14
.
| Third occipital nerve right |
15
.
| Fascia of semispinalis capitis muscle |
16
.
| Semispinalis capitis muscle |
17
.
| Third occipital nerve left |
18
.
| Trapezius muscle right |
19
.
| Nuchal ligament |
20
.
| Aponeurosis of origin of splenius capitis muscle (cut across) |
21
.
| Muscular branches of dorsal branch cervical nerve III |
22
.
| Dorsal cutaneous branch cervical nerve IV |