Nerve supply to external oblique muscle (continued)
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Image #133-4
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