Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of male pelvis from a lateral approach

Posterior pelvic wall viewed from in front and to the left

Image #172-3

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dissection of male pelvis from a lateral approach
Posterior pelvic wall viewed from in front and to the left
The specimen is the same as that shown in view 172-2 but in this instance it is viewed in such a way that the structures associated with the posterior wall of the pelvic cavity are visible. The rectum has been resected and the bladder has been pulled forward with the reflected anterior abdominal wall.
1 . Promontory
2 . Common iliac artery
3 . Superior hypogastric plexus
4 . Ureter
5 . Psoas major muscle
6 . Iliacus muscle
7 . Genitofemoral nerve (femoral)
8 . Genitofemoral nerve (genital branch)
9 . Internal iliac artery
10 . External iliac artery and vein
11 . Upper pointer: Ganglion of sympathetic trunk Lower pointer: Lateral sacral artery
12 . Vesicular arteries (note several vessels which pass to bladder ureter ductus deferens and prostate)
13 . Testicular artery and vein
14 . Lateral umbilical ligament
15 . Transversalis fascia (covering transversus muscle)
16 . Ductus deferens
17 . Urinary bladder
18 . Pubic symphysis (sectioned)
19 . Obturator nerve
20 . Femoral nerve
21 . Ala of sacrum
22 . Iliolumbar artery and vein
23 . Sacral nerve I (ventral ramus, emerging through anterior sacral foramen)
24 . Upper pointer: Ramus communicans Lower pointer: Sympathetic trunk (pointer on ganglion)
25 . Pelvic surface of sacrum
26 . Sacral nerve II (ventral ramus)
27 . Piriform muscle (area of origin)
28 . Sacral nerve III (ventral ramus)
29 . Sacral nerve IV (ventral ramus)
30 . Portion of sacral venous plexus
31 . Coccygeus muscle (cut off)
32 . Piriform muscle right
33 . Seminal vesicle
34 . Ductus deferens
35 . Prostate
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