1
.
| Upper pointer: Middle scalene muscle Lower pointer: Brachial plexus (cut across through roots) |
2
.
| Upper pointer: Subclavian artery Lower pointer: Anterior scalene muscle |
3
.
| Subclavian vein |
4
.
| Rib I |
5
.
| Intercostobrachial nerve (cut off) |
6
.
| External intercostal muscle |
7
.
| Pectoralis minor muscle (area of origin) |
8
.
| Fibers of origin of pectoralis major muscle |
9
.
| Lateral cutaneous branch of intercostal nerve V |
10
.
| Rib V |
11
.
| Slip of origin of external abdominal oblique muscle |
12
.
| Branch of cervical nerve V to serratus anterior muscle |
13
.
| Transverse artery and vein of scapula |
14
.
| Levator muscle of scapula |
15
.
| Clavicle (cut off) |
16
.
| Coracoid process of scapula |
17
.
| Acromion |
18
.
| Joint capsule of humerus |
19
.
| Serratus anterior muscle (upper part) |
20
.
| Long thoracic nerve |
21
.
| Axillary artery (displaced laterally with brachial plexus) |
22
.
| Serratus anterior muscle (middle part) |
23
.
| Body of humerus |
24
.
| Upper pointer: Subscapularis muscle Lower pointer: Subscapular artery |
25
.
| Teres major muscle |
26
.
| Area of insertion of deltoid muscle |
27
.
| Triceps brachii muscle |
28
.
| Latissimus dorsi muscle (detached from origin and retracted upward) |
29
.
| Serratus anterior muscle (lower part) |
30
.
| Brachialis muscle |
31
.
| Biceps brachii muscle |
32
.
| Cephalic vein |