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
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