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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of anterior aspect of vertebral column

Sacral region.

Image #221-5

KEYWORDS: Sacral region, Vasculature, Vertebral column.

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Dissection of anterior aspect of vertebral column
Sacral region.
The right hip bone has been removed. The contents of the pelvic cavity have been removed or retracted to expose the pelvic surface of the sacrum, the sacral sympathetic trunks and the blood vessels of the sacrum
  1. Common iliac artery
  2. Intervertebral disc L. V - S. I
  3. Femoral nerve
  4. Obturator nerve
  5. Sympathetic trunk
  6. Pelvic surface sacrum
  7. Articular surface sacrum
  8. Sacral plexus (cut across)
  9. Piriform muscle (cut across)
  10. Ganglion of sympathetic trunk
  11. Pelvic sacral foramen II
  12. Sacral splanchnic nerve (sympathetic)
  13. Sacral nerve IV
  14. Superior diaphragmatic pelvic fascia
  15. Median sacral vein
  16. Median sacral artery
  17. Promontory
  18. Superior hypogastric plexus
  19. Internal iliac vein
  20. Internal iliac artery
  21. Ureter
  22. External iliac artery
  23. External iliac vein
  24. Obturator nerve
  25. Obturator artery
  26. Upper pointer: Lateral sacral artery Lower pointer: Ramus communicans (gray)
  27. Upper pointer: Sacral nerve I Lower pointer: Piriform muscle (covered by parietal pelvic fascia)
  28. Pelvic splanchnic nerve (from sacral nerve II)
  29. Pelvic splanchnic nerve (from sacral nerve III) 30. Vagina