Dissection of anterior and medial aspects of thigh

Nerve supply to adductor brevis muscle; medial femoral circumflex artery

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Image #188-2

Dissection of anterior and medial aspects of thigh

Nerve supply to adductor brevis muscle; medial femoral circumflex artery

The pectineus and adductor longus muscles have been removed from the specimen. The anterior (3) and posterior (7) branches of the obturator nerve have been exposed as they emerge from the obturator canal to pass in front of and behind the adductor brevis. Branches of the anterior branch that supply the adductor brevis have been traced into this muscle.

1. External iliac artery
2. External iliac vein
3. Anterior branch of obturator nerve
4. Pectineus muscle (cut off at origin)
5. Body of pubis (pointer indicates attachment of rectus abdominis)
6. Obturator externus muscle
7. Left pointer: Superficial branch of medial circumflex artery (divided) Right pointer: Posterior branch of obturator nerve
8. Adductor brevis muscle
9. Pectineus muscle (near insertion)
10. Deep femoral artery
11. Adductor magnus muscle
12. Iliacus muscle
13. Rectus femoris muscle (cut off)
14. Upper pointer: Medial femoral circumflex artery Lower pointer: Deep branch of medial femoral circumflex artery
15. Hip articular capsule
16. Greater trochanter
17. Descending branch of lateral femoral circumflex artery
18. Vastus lateralis muscle
19. Vastus intermedius muscle
20. Muscular branch of femoral nerve (to upper part of vastus medialis muscle)