Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of male pelvis from a lateral approach

Prostate gland; puboprostatic ligament; rectovesical septum

Image #170-2

KEYWORDS: Bones joints cartilage.

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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
Prostate gland; puboprostatic ligament; rectovesical septum
The prostate and rectum have been separated slightly to expose the fascial layers between them. The rectovesical septum (19) has been left against the posterior surface of prostate and seminal vesicle. A thinner layer of this septum, more closely related to the rectal wall, is seen spanning the space separating the rectum and prostate.
1 . Outer longitudinal muscle of bladder extending onto ureter
2 . Body of urinary bladder
3 . Retropubic space
4 . Prostatic venous plexus
5 . Pubic symphysis
6 . Puboprostatic ligament
7 . Dorsal vein of the penis
8 . Dorsal artery of penis
9 . Branch of artery of penis which penetrates urogenital diaphragm and joins a right vesicular artery faintly visible in area above puboprostatic ligament
10 . Ureter
11 . Ductus deferens
12 . Sigmoid colon
13 . Seminal vesicle
14 . Parietal peritoneum (lining pelvic cavity)
15 . Nerve to Levator ani muscle
16 . Rectum
17 . Coccygeus muscle
18 . Perineal branch of sacral nerve IV
19 . Rectovesical septum (two layers visible)
20 . Levator ani muscle (cut off and reflected away from its attachment to rectal wall)
21 . External anal sphincter muscle
22 . Prostate
23 . Superior fascia of urogenital diaphragm
24 . Sphincter muscle of urethra (dissected)
25 . Spongy part of urethra (opened)
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