Sigmoid arteries

Artery: Sigmoid arteries
Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses.
The inferior mesenteric artery and its branches. (Sigmoid labeled at bottom right.)
Latin	arteriae sigmoideae
Gray's	subject #154 610
Dorlands / Elsevier	a_61/12155984

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

The sigmoid arteries, two or three in number, run obliquely downward and to the left behind the peritoneum and in front of the Psoas major, ureter, and internal spermatic vessels.

Their branches supply the lower part of the descending colon, the iliac colon, and the sigmoid or pelvic colon; anastomosing above with the left colic, and below with the superior hemorrhoidal artery.

External links

• SUNY Labs 39:05-0106 - "Intestines and Pancreas: Branches of the Inferior Mesenteric Artery"
• SUNY Anatomy Image 7926

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.