Quick Facts
Origin: Internal pudendal artery.
Course: Travels from the pudendal canal to the rectum.
Branches: None.
Supplied Structures: Rectum and anal canal.
Origin
The inferior anorectal (or rectal) artery arises from the internal pudendal arteries in the posterior portion of the pudendal canal in the perineum.
Course
The inferior anorectal artery travels anteromedially through the ischioanal fossa. It then courses inferiorly along the lateral aspects of the rectum and anal canal.
Branches
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
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).
