Dissection of anterior and medial aspects of thigh

Nerve supply to Obturator externus muscle

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Image #188-5
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Dissection of anterior and medial aspects of thigh
Nerve supply to Obturator externus muscle
The obturator externus has been reflected downward from its origin.
1 . Iliac lymph node
2 . External iliac vein
3 . Superior ramus of pubic bone
4 . Obturator artery and vein (emerging through obturator canal)
5 . Obturator nerve
6 . Pectineus muscle
7 . Muscular branch of obturator nerve (to obturator externus muscle)
8 . Area of origin of obturator externus muscle
9 . Upper pointer: Obturator nerve Lower pointer: Obturator artery
10 . Iliopsoas muscle
11 . Rectus femoris muscle (origin)
12 . Obturator membrane
13 . Hip articular capsule
14 . Medial femoral circumflex artery
15 . Quadratus femoris muscle (origin)
16 . Obturator externus muscle (reflected downward)