1
.
| Superficial cervical artery |
2
.
| Levator muscle of scapula |
3
.
| Dorsal nerve of scapula |
4
.
| Serratus anterior muscle (upper part) |
5
.
| Rhomboid minor muscle (cut off) |
6
.
| Vertebral margin of scapula |
7
.
| Branch of superficial transverse artery to trapezius (refer to 931) |
8
.
| Rhomboid major muscle (cut off) |
9
.
| Accessory slip of serratus anterior muscle |
10
.
| Fascial layer interposed between serratus anterior muscle and thoracic wall |
11
.
| Serratus anterior muscle (middle part) |
12
.
| Splenius capitis muscle |
13
.
| Middle scalene muscle |
14
.
| Ascending branch superficial transverse artery |
15
.
| Superficial transverse artery |
16
.
| Upper pointer: Descending branch superficial transverse artery Lower pointer: Lymph node |
17
.
| Posterior superior serratus muscle |
18
.
| Spinous process thoracic vertebra II |
19
.
| Tendon of rhomboid major muscle (cut off) |
20
.
| Rib III |
21
.
| Lumbodorsal fascia |
22
.
| Trapezius muscle (cut off) |