Dissection of female pelvis from a lateral approach

Nerves and vessels related to pelvic surface of sacrum

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Image #162-7
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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 The uterus and vagina have been retracted toward the pubic symphysis.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