Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of male pelvis from a lateral approach

Contents of pelvic cavity with pelvic peritoneum removed; blood supply of lower sigmoid colon and rectum

Image #170-1

KEYWORDS: Large intestine.

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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
Contents of pelvic cavity with pelvic peritoneum removed; blood supply of lower sigmoid colon and rectum
The peritoneum of the left side of the pelvic cavity has been resected. Nerves and blood vessels have also been removed on the left to display the pelvic organs in situ. The distribution of the superior rectal artery and vein is demonstrated.
1 . Ureter right
2 . Psoas major muscle (covered by fascia)
3 . Sigmoid colon (cut off and retracted anteriorly)
4 . Ductus deferens (approaching deep inguinal ring)
5 . Umbilical prevesical fascia
6 . Urinary bladder
7 . Pubic symphysis
8 . Puboprostatic ligament
9 . Corpus cavernosum of penis
10 . Internal iliac artery
11 . Ureter left
12 . Lumbosacral trunk
13 . Articular surface of sacrum
14 . Superior gluteal artery
15 . Superior rectal artery and vein
16 . Rectum (pointer indicates sacral flexure)
17 . Piriform muscle (cut off)
18 . Ampulla of ductus deferens
19 . Seminal vesicle
20 . Rectovesical septum
21 . Coccyx (terminal part)
22 . Levator ani muscle (cut off)
23 . Rectum (pointer on perineal flexure)
24 . Prostate
25 . Urogenital diaphragm (dissected)
26 . Urethra (opened)
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