Dissection of anterior and medial aspects of thigh

Nerve supply to Obturator externus muscle

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Image #188-5

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)