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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of thorax from a posterior approach

Deep musculature.

Image #131-1

KEYWORDS: Fascia and connective tissue, Muscles and tendons.

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Dissection of thorax from a posterior approach
Deep musculature.
The left shoulder girdle has been freed by removal of the trapezius, latissimus dorsi and rhomboid muscles and has been pulled forward. The serratus anterior muscle (10) remains intact. The rather thick, elastic layer of fascia (11) between this muscle and the rib cage has been partially resected to reveal the serratus posterior superior muscle (5).
1 . Splenius capitis muscle
2 . Levator scapulae muscle
3 . Dorsal scapular nerve
4 . Transverse colli artery
5 . Serratus posterior superior muscle
6 . Rib III
7 . External intercostal muscle
8 . Medial scapular margin
9 . Rhomboid major muscle (cut off)
10 . Serratus anterior muscle (elevated)
11 . Fascial layer between serratus anterior and thoracic wall
12 . Iliocostalis thoracis muscle
13 . Longissimus thoracis muscle
14 . Trapezius muscle
15 . Thoracolumbar fascia
16 . Fascia infraspinata
17 . Latissimus dorsi muscle