Pectoral region and axilla

Left axilla (continued); general view of contents, clavicle removed

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Image #91-2

Pectoral region and axilla

Left axilla (continued); general view of contents, clavicle removed

The subclavius muscle and the medial two-thirds of the clavicle have been removed.

1. Superficial cervical artery
2. Anterior scalene muscle
3. Internal jugular vein
4. Phrenic nerve
5. Upper pointer: Subclavian artery Lower pointer: Subclavian vein
6. Sternohyoid muscle (visible through cut-out portion of capsule of sternoclavicular joint)
7. Left pointer: Subclavian trunk Right pointer: Rib I
8. Upper pointer: Axillary artery Lower pointer: Axillary vein
9. Intercostobrachial nerve (cut off)
10. External intercostal muscle
11. Upper trunk
12. Middle trunk (11 and 12 pertain to the supraclavicular part of the brachial plexus)
13. Transverse scapular artery
14. Supraspinatus muscle
15. Inferior belly of omohyoid muscle (cut off)
16. Suprascapular nerve
17. Clavicle (cut off)
18. Coracoid process of scapula
19. Acromion
20. Joint capsule of humerus
21. Subscapularis muscle
22. Musculocutaneous nerve
23. Median nerve
24. Body of humerus
25. Brachial veins
26. Thoracodorsal nerve
27. Biceps brachii muscle
28. Latissimus dorsi muscle