Bassett Collection of Stereoscopic Images of Human Anatomy

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Dissection of thoracic and lumbosacral regions of back from a posterior approach

Superficial structures and external layer of muscles of back, general view

Image #212-1

KEYWORDS: Lumbar region, Muscles and tendons, Peripheral nervous system, Sacral region, Thoracic region, Vasculature, Vertebral column.

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

Dissection of thoracic and lumbosacral regions of back from a posterior approach

Superficial structures and external layer of muscles of back, general view

The skin has been removed form the entire back. On the left half of the body the cutaneous nerves and vessels have been dissected and the deep fascia has been preserved. On the right the external layer of muscles related to the shoulder girdle has been exposed. The following close-up photographs of the thoracic and lumbosacral areas show more details of the cutaneous branches of nerves and arteries.

1 .	Superficial fascia cervical surface
2 .	Spinous process vertebra Th. II
3 .	Lateral brachial cutaneous nerve
4 .	Posterior brachial cutaneous nerve
5 .	Brachial fascia
6 .	Dorsal cutaneous branch thoracic nerve V
7 .	Posterior branch of lateral cutaneous branch intercostal nerve V
8 .	Fascia covering latissimus dorsi muscle
9 .	Superior cluneal nerves
10 .	Trapezius muscle
11 .	Acromion
12 .	Deltoid muscle
13 .	Fascia infraspinata
14 .	Teres major muscle
15 .	Latissimus dorsi muscle
16 .	Thoracolumbar fascia
17 .	External oblique muscle
18 .	Iliac crest