Bassett Collection of Stereoscopic Images of Human Anatomy

Pectoral region and axilla

Deep lamina of coracoclavicular fascia

Image #89-7

KEYWORDS: Fascia ligaments and tendons, Pectoral region, Vasculature.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Pectoral region and axilla
Deep lamina of coracoclavicular fascia
The left pectoralis minor muscle (18,27) has been cut near its origin and reflected laterally. The layer of coracoclavicular fascia (19) deep to this muscle is continuous laterally with the pectoral (22) and axillary fascia (21). The axillary vein is visible through a natural opening in the coracoclavicular fascia.
1 . Upper pointer: Clavicular branch of thoracoacromial artery Lower pointer: Axillary vein
2 . Anterior jugular vein
3 . Clavicular part pectoralis major muscle (cut across)
4 . Sternocleidomastoid muscle (sternal origin)
5 . Anterior supraclavicular nerve
6 . Axillary lymph node (of subclavian group)
7 . Sternocostal part pectoralis major muscle (cut across)
8 . External intercostal muscle (in first intercostal space)
9 . Internal intercostal muscle
10 . Sternal angle
11 . Costal cartilage II
12 . Rib II
13 . Upper pointer: Clavicle Lower pointer: Subclavius muscle (covered by coracoclavicular fascia)
14 . Anterior lateral thoracic nerve
15 . Pectoral branch of thoracoacromial artery
16 . Pectoralis major muscle (reflected)
17 . Area of axillary fossa
18 . Pectoralis minor muscle (reflected)
19 . Coracoclavicular fascia
20 . Aberrant muscular slip
21 . Axillary fascia
22 . Pectoral fascia (cut along lateral border of pectoralis major and left in situ when muscle was reflected)
23 . Thoracoepigastric vein
24 . Lateral thoracic artery
25 . Axillary lymph node (one of anterior pectoral group)
26 . Fascia over latissimus dorsi muscle
27 . Origins of pectoralis minor muscle