Bassett Collection of Stereoscopic Images of Human Anatomy

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Dissection of anterior aspect of vertebral column

Thoracic region.

Image #220-5

KEYWORDS: Thoracic region, Vertebral column.

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

Dissection of anterior aspect of vertebral column

Thoracic region.

The specimen shown in the previous view has been turned to expose its left anterolateral aspect in this close-up view of the lower thoracic and upper lumbar part of the spine.

1 .	Accessory hemiazygos vein
2 .	Azygos vein
3 .	Upper pointer: Body of vertebra Th. VIII (pointer on anterior longitudinal ligament) Lower pointer: Intervertebral disc Th. VII-IX
4 .	Vein draining body of vertebra
5 .	Posterior intercostal arteries IX and X
6 .	Greater splanchnic nerve (lower pointer on splanchnic ganglion)
7 .	Lesser splanchnic nerve
8 .	Least splanchnic it
9 .	Diaphragm (cut off)
10 .	Lumbar part of diaphragm (upper pointer: left crus; lower pointer: right crus)
11 .	Left pointer: Hemiazygos vein Right pointer: Posterior intercostal vein VIII
12 .	Rib VIII
13 .	Costal pleura
14 .	Sympathetic trunk (lower pointer on ganglion of sympathetic trunk)
15 .	Rami communicantes
16 .	Intercostal nerve XI
17 .	Head of rib XII
18 .	Subcostal nerve (note large ramus communicans)
19 .	Upper pointer: Quadratus lumborum muscle Lower pointer: Psoas major muscle
20 .	Ascending lumbar vein
21 .	Transverse process of vertebra L. II
22 .	Lumbar nerve I (passing downward to join lumbar plexus)