Bassett Collection of Stereoscopic Images of Human Anatomy

Exploration of gluteal region and hip

Obturator internus and quadratus femoris muscles, posterior view

Image #181-1

KEYWORDS: Muscles and tendons.

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

Exploration of gluteal region and hip
Obturator internus and quadratus femoris muscles, posterior view
The piriformis and the gluteal muscles have been cut away. The sciatic nerve has been cut off close to the greater sciatic foramen.
1 . Origin of gluteus medius muscle
2 . Piriform muscle
3 . Sciatic nerve
4 . Body of ischium
5 . Greater trochanter
6 . Quadratus femoris muscle
7 . Obturator externus muscle
8 . Gemelli muscles
9 . Obturator internus muscle
10 . Ischial tuberosity
11 . External anal sphincter muscle
12 . Anus
13 . Posterior superior iliac spine
14 . Sacral bone
15 . Dorsal branch of S. II
16 . Dorsal foramen S. III
17 . Coccyx bone
18 . Anococcygeal nerve
19 . Levator ani muscle
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