Lane Medical Library

Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of anterior and medial aspects of thigh

Obturator externus muscle

Image #188-4

KEYWORDS: Muscles and tendons, Thigh.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dissection of anterior and medial aspects of thigh
Obturator externus muscle
A portion of the adductor minimus (4) has been removed from the dissection to permit full visualization of the extensive area of origin of the obturator externus from the pubis and ischium.
1 . Pectineus muscle (origin)
2 . Upper pointer: Anterior branch of obturator nerve Lower pointer: Obturator canal
3 . Adductor brevis muscle (cut off)
4 . Adductor minimus muscle (two pointers indicate origin and insertion of excised part of adductor minimus)
5 . Obturator externus muscle
6 . Posterior branch of obturator nerve
7 . Quadratus femoris muscle
8 . Adductor minimus muscle
9 . Adductor brevis muscle (insertion)
10 . Pectineus muscle (insertion)
11 . Femoral nerve
12 . Femoral artery
13 . Rectus femoris muscle
14 . Hip articular capsule
15 . Upper pointer: Acetabular branch of medial circumflex femoral artery Lower pointer: Deep branch of medial circumflex femoral artery
16 . Greater trochanter
17 . Lateral femoral circumflex artery
18 . Lesser trochanter
19 . Vastus intermedius muscle

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