Bassett Collection Large Image - Lane Medical Library, Stanford University Medical Center

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For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

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)