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Left colic

Left colic artery
Gray537.png
The inferior mesenteric artery and its branches. (Left colic visible at center right.)
Gray538.png
Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses. (Left colic visible at center left.)
Details
Source inferior mesenteric
Vein left colic vein
Supplies descending colon
Identifiers
Latin arteria colica sinistra
Dorlands
/Elsevier
a_61/12153963
TA A12.2.12.071
FMA 14826
Anatomical terminology
[]

The left colic artery is a branch of the inferior mesenteric artery that runs to the left behind the peritoneum and in front of the psoas major muscle, and after a short, but variable, course divides into an ascending and a descending branch; the stem of the artery or its branches cross the left ureter and left internal spermatic vessels.

The ascending branch crosses in front of the left kidney and ends, between the two layers of the transverse mesocolon, by anastomosing with the middle colic artery; the descending branch anastomoses with the highest sigmoid artery.

From the arches formed by these anastomoses branches are distributed to the descending colon and the left part of the transverse colon.

Superior and inferior duodenal fossæ.

Duodenojejunal fossa.

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)


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