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Inferior Anorectal Artery
Cardiovascular System

Inferior Anorectal Artery

Arteria anorectalis inferior

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Quick Facts

Origin: Internal pudendal artery.

Course: Travels from the pudendal canal to the rectum.

Branches: None.

Supplied Structures: Rectum and anal canal.

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The inferior anorectal (or rectal) artery arises from the internal pudendal arteries in the posterior portion of the pudendal canal in the perineum.


The inferior anorectal artery travels anteromedially through the ischioanal fossa. It then courses inferiorly along the lateral aspects of the rectum and anal canal.


The inferior anorectal artery does not give off any branches. It forms anastomoses with the middle and superior anorectal arteries.

Supplied Structures

The inferior anorectal artery supplies the inferior portion of the rectum and anal canal.

Learn more about this topic from other Elsevier products

Internal Pudendal Artery

ScienceDirect image

The internal pudendal artery is a branch of the anterior division of the internal iliac artery and the veins drain into the internal iliac vein (Netter, 2010).

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