Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of female pelvis from a lateral approach

Arteries and nerves of sigmoid colon and rectum, right anterolateral view

Image #161-5

KEYWORDS: Anal canal, Large intestine, Peripheral nervous system, Vasculature, Central nervous system, Large intestine, Muscles and tendons, Perineum, Peripheral nervous system.

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

Dissection of female pelvis from a lateral approach
Arteries and nerves of sigmoid colon and rectum, right anterolateral view
The sigmoid mesocolon has been dissected and the rectum and sigmoid colon have been retracted anteriorly and to the left. Peritoneum has been removed from the right surface of the rectum.
1 . Superior rectal artery
2 . Strand of inferior mesenteric plexus (note other nerve filaments interlaced among branches of arteries)
3 . Promontory
4 . External iliac artery (cut off)
5 . Internal iliac artery
6 . Superior hypogastric plexus
7 . Parietal pelvic fascia
8 . Superior branches rectal artery
9 . Rectum (longitudinal layer of muscular tunic)
10 . Ampulla of rectum
11 . Vagina
12 . Uterus
13 . Urinary bladder
14 . Pubic symphysis
15 . Sigmoid artery
16 . Fascia overlying external iliac vessels and lymph nodes
17 . Sigmoid colon
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