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Bassett Collection of Stereoscopic Images of Human Anatomy

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

Left serratus posterior inferior muscle

Image #213-1

KEYWORDS: Lumbar region, Muscles and tendons, Sacral region, Thoracic region, Vertebral column.

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Dissection of thoracic and lumbosacral regions of back from a posterior approach
Left serratus posterior inferior muscle
The field of view extends from the level of the eighth rib downward nearly to the iliac crest. The left latissimus dorsi has been removed. The fascia which covered the serratus posterior inferior has been resected.
1 . Serratus anterior muscle
2 . Rib VIII
3 . Erector spinae muscle (covered by thoracolumbar fascia)
4 . Serratus posterior inferior muscle
5 . Rib XI
6 . Rib XII
7 . External oblique muscle (cut off)
8 . Internal oblique muscle
9 . Posterior branches of thoracic nerves VII and VIII (medial cutaneous branches)
10 . Latissimus dorsi muscle
11 . Posterior branches of thoracic nerves IX and X (lateral cutaneous branches)
12 . Spinous process vertebra L. II
13 . Thoracolumbar fascia