| 1
.
| Clavicle (covered by periosteum) |
| 2
.
| Upper pointer: Subclavius muscle Lower pointer: Coracoclavicular fascia |
| 3
.
| Clavicular part pectoralis major muscle (cut off) |
| 4
.
| Tendon of origin of subclavius muscle |
| 5
.
| Left pointer: Subclavian trunk (one of several subclavian lymphatic trunks) Right pointer: Axillary lymph node (of subclavian group) |
| 6
.
| Upper pointer: Clavicular branch of thoracoacromial artery Lower pointer: Thoracoacromial vein (cut off) |
| 7
.
| Branches of lateral anterior thoracic nerve |
| 8
.
| Pectoralis minor muscle |
| 9
.
| External intercostal muscle |
| 10
.
| Lymph node in deltopectoral triangle |
| 11
.
| Deltoid muscle |
| 12
.
| Articular branch of anterior thoracic nerve to acromioclavicular and shoulder joints |
| 13
.
| Acromial branch thoracoacromial artery |
| 14
.
| Anterior lateral thoracic nerve |
| 15
.
| Cephalic vein |
| 16
.
| Branch to deltoid of thoracoacromial artery |
| 17
.
| Axillary connective tissue |
| 18
.
| Pectoral branch of thoracoacromial artery |
| 19
.
| Pectoralis major muscle (reflected laterally) |
