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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of female pelvis from a lateral approach

Right obturator internus muscle, general lateral view

Image #158-4

KEYWORDS: Muscles and tendons, Bones joints cartilage.

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Dissection of female pelvis from a lateral approach
Right obturator internus muscle, general lateral view
The obturator membrane and neighboring parts of the pubic and ischial bones have been resected.
  1. Gluteus minimus muscle
  2. Gluteus medius muscle
  3. Gluteus maximus muscle
  4. Piriform muscle
  5. Sciatic nerve (upper pointer, tibial nerve; lower pointer, common peroneal nerve)
  6. Sacrotuberous ligament
  7. Tendon of obturator internus muscle (cut off close to lesser sciatic foramen gemelli muscles removed)
  8. Obturator internus muscle (exposed in situ area of origin from bone lies anterior to muscular branches of obturator vessels)
  9. Ischial tuberosity (partially cut away)
  10. External anal sphincter muscle
  11. Posterior labial branch internal pudendal artery
  12. Body of ilium
  13. Anterior inferior iliac spine (origin of rectus femoris visible)
  14. Acetabular labrum
  15. Upper pointer: Iliopsoas muscle Lower pointer: Inguinal ligament
  16. Femoral vein
  17. Obturator nerve
  18. Pubic symphysis
  19. Labium majus