Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of anterolateral abdominal wall

Nerve supply to external oblique muscle (continued)

Image #133-4

KEYWORDS: Muscles and tendons, Peripheral nervous system.

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

Dissection of anterolateral abdominal wall
Nerve supply to external oblique muscle (continued)
The upper fascicles of the left external oblique muscle are shown in this close-up photograph. Nerves (3,4,6,14) which supply the muscle originate from lateral cutaneous branches of the intercostal nerves and enter the muscle from its external surface.
1 . Rib VI (covered by periosteum)
2 . Pectoralis major muscle (abdominal part, reflected)
3 . Muscular branch of lateral cutaneous branch thoracie nerve VI
4 . Muscular branch of lateral cutaneous branch thoracic nerve VII
5 . External oblique muscle
6 . Muscular branch of lateral cutaneous branch thoracic nerve VIII
7 . Aponeurosis external oblique muscle
8 . Serratus anterior muscle
9 . Fascia of serratus anterior muscle
10 . Lateral cutaneous branch thoracic nerve VII
11 . Rib VIII
12 . Lateral cutaneous branch thoracic nerve VIII
13 . Rib X
14 . Upper pointer: Lateral cutaneous branch thoracic nerve IX Lower pointer: Muscular branch 15. Latissimus dorsi muscle
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