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Dissection of anterior and medial aspects of thigh

Posterior branch of obturator nerve; innervation of adductor magnus by obturator nerve

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Image #188-3
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Dissection of anterior and medial aspects of thigh
Posterior branch of obturator nerve; innervation of adductor magnus by obturator nerve
The adductor brevis has been divided and removed to reveal the posterior branch of the obturator nerve passing into the adductor magnus. Branches of the sciatic nerve that enter the adductor magnus on its posterior aspect are visible in the dissection shown in view 184-4.
1 . Anterior branch of obturator nerve
2 . Pectineus muscle (cut off at origin)
3 . Adductor brevis muscle (origin)
4 . Adductor longus muscle (origin)
5 . Obturator externus muscle
6 . Posterior branch of obturator nerve
7 . Adductor magnus muscle (upper pointer indicates adductor minimus)
8 . Pectineus muscle (insertion)
9 . Adductor brevis muscle (insertion)
10 . Deep femoral artery
11 . Femoral nerve
12 . Iliacus muscle
13 . Greater trochanter
14 . Lateral femoral circumflex artery
15 . Lesser trochanter (tendon of iliopsoas visible)
16 . Muscular branch of femoral nerve (to vastus intermedius muscle)
17 . Vastus intermedius muscle
18 . Vastus lateralis muscle
19 . Vastus medialis muscle