1
.
| Rhomboid major muscle |
2
.
| Subscapularis muscle |
3
.
| Right pointer: Circumflex artery of scapula Left pointer: Thoracodorsal artery |
4
.
| Teres major muscle |
5
.
| Latissimus dorsi muscle |
6
.
| Brachial artery (deep to median nerve) |
7
.
| Triceps brachii muscle |
8
.
| Medial intermuscular septum |
9
.
| Ulnar nerve |
10
.
| Brachialis muscle |
11
.
| Basilic vein |
12
.
| Medial epicondyle of humerus |
13
.
| Clavicle (cut off) |
14
.
| Posterior cord of brachial plexus |
15
.
| Lateral cord of brachial plexus |
16
.
| Middle cord of brachial plexus |
17
.
| Axillary artery |
18
.
| Musculocutaneous nerve |
19
.
| Coracobrachialis muscle |
20
.
| Subscapular artery |
21
.
| Radial nerve |
22
.
| Lateral and medial heads of median nerve |
23
.
| Brachial veins |
24
.
| Radial artery (anomalous high origin) |
25
.
| Brachial lymph nodes |
26
.
| Median nerve |
27
.
| Biceps brachii muscle |
28
.
| Median cubital vein |