Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of posterior aspect of left thigh

Adductor magnus muscle; nerve supply from sciatic nerve

Image #184-4

KEYWORDS: Muscles and tendons, Peripheral nervous system, Thigh.

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Dissection of posterior aspect of left thigh
Adductor magnus muscle; nerve supply from sciatic nerve
The biceps, semitendinosus and semimembranosus muscles have been resected. The branch (18) of the sciatic nerve that supplies the extensor part of the adductor magnus is shown in this dissection. The remainder of the muscle receives its innervation from the obturator nerve as illustrated in view 188-3.
1 . Ischial tuberosity
2 . Ascending branch of medial femoral circumflex artery
3 . Quadratus femoris muscle
4 . Obturator internus muscle
5 . Greater trochanter
6 . Gluteus maximus muscle
7 . Adductor minimus muscle
8 . Muscular branch of sciatic nerve (to adductor magnus muscle)
9 . Perforating artery
10 . Sciatic nerve
11 . Short head of biceps femoris muscle
12 . Upper pointer: Biceps femoris muscle (tendon of origin) Lower pointer: Semimembranosus muscle (origin)
13 . Medial femoral circumflex artery
14 . Adductor magnus muscle
15 . Gracilis muscle
16 . Perforating arteries
17 . Upper pointer: Popliteal vein Lower pointer: Adductor hiatus
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