Dissection of female pelvis from a lateral approach

Nerves and vessels related to pelvic surface of sacrum

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Image #162-7

Dissection of female pelvis from a lateral approach

Nerves and vessels related to pelvic surface of sacrum

The specimen has been placed in a supine position. The view into the pelvic cavity is directed from below and to the right. The uterus and vagina have been retracted toward the pubic symphysis.

1. Common iliac artery
2. Intervertebral disc L. V - S. I
3. Femoral nerve
4. Obturator nerve
5. Sympathetic trunk
6. Pelvic surface of sacrum
7. Articular surface of sacrum
8. Sacral plexus (cut across)
9. Piriform muscle (cut across)
10. Ganglion of sympathetic trunk
11. Anterior (pelvic) sacral foramen II
12. Sacral splanchnic nerve (sympathetic)
13. Sacral nerve IV
14. Superior fascia of pelvic diaphragm
15. Middle sacral vein
16. Middle 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