Dissection of thorax from a posterior approach

Deep musculature.

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Image #131-3
Bassett ImageDiagram Image
Legend Image
Dissection of thorax from a posterior approach
Deep musculature.
The latissimus dorsi muscle has been removed from the left side of the dissection.
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 abdominal oblique muscle (cut off)
8 . Internal abdominal oblique muscle
9 . Dorsal branches thoracic nerves VII and VIII (medial cutaneous branches)
10 . Latissimus dorsi muscle
11 . Dorsal branches thoracic nerves IX and X (lateral cutaneous branches)
12 . Spinous process vertebrae L. II
13 . Thoracolumbar fascia