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Elsevier
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Sigmoid Veins
Cardiovascular System

Sigmoid Veins

Venae sigmoideae

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Quick Facts

Origin: A collection of veins located in the sigmoid mesocolon.

Course: Ascend in the sigmoid mesocolon to drain into the inferior mesenteric vein.

Tributaries: None.

Drainage: Sigmoid colon and mesocolon.

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Origin

Multiple sigmoid veins form vasa recta within the sigmoid mesocolon.

Course

Sigmoid veins ascend intraperitoneally within the sigmoid mesocolon to drain into the inferior mesenteric vein.

Tributaries

The sigmoid veins are terminal veins. They form anastomoses with the sigmoid arteries.

Structures Drained

Sigmoid veins drain the distal part of the descending colon, the sigmoid colon, and sigmoid mesocolon.

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