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Sigmoid arteries

Last revised by Assoc Prof Craig Hacking on 06 Sep 2020

The sigmoid arteries are branches, between two-to-four, of the inferior mesenteric artery (IMA) and supply the sigmoid colon


  • origin: inferior mesenteric artery
  • course: after arising from IMA, these branches descend to the left in the sigmoid mesocolon
  • anastomosis:

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Cases and figures

  • Figure 1: inferior mesenteric artery (Gray's illustration)
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