Pectoral region and axilla

Left axilla (continued); relations of vessels, nerves and lymphatic structures, close-up view

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Image #90-3
Bassett ImageDiagram Image
Legend Image
Pectoral region and axilla
Left axilla (continued); relations of vessels, nerves and lymphatic structures, close-up view
The arm has been abducted. The axillary sheath (5) remains on the proximal parts of the axillary artery and vein but has been removed distally.
1 . Clavicle
2 . Subclavius muscle
3 . Coracoclavicular fascia (partially removed)
4 . Anterior lateral thoracic nerve
5 . Axillary sheath (partially removed)
6 . Axillary lymph nodes (subclavian group)
7 . Subclavian trunk
8 . Axillary lymph nodes (central group)
9 . Rib II
10 . Intercostobrachial nerve
11 . Pectoralis minor muscle (reflected)
12 . Coracobrachialis muscle (covered by fascia)
13 . Area of confluence of axillary, pectoral and brachial fascia
14 . Musculocutaneous nerve
15 . Anterior medial thoracic nerve
16 . Median nerve
17 . Axillary artery and vein
18 . Thoracodorsal nerve
19 . Axillary lymph nodes (subscapular group)
20 . Axillary lymph node (lateral)
21 . Long thoracic nerve
22 . Fascia of serratus anterior muscle
23 . Axillary lymph node (anterior pectoral)