Inferior rectal artery

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== Inferior Rectal Artery ==

The Inferior Rectal Artery is a blood vessel that supplies blood to the lower part of the rectum and the anal canal. It is a branch of the internal pudendal artery, which itself is a branch of the internal iliac artery.

Anatomy

The inferior rectal artery arises from the internal pudendal artery in the pelvis. It travels through the ischioanal fossa and supplies the lower part of the rectum and the anal canal. The artery provides oxygenated blood to the external anal sphincter, the perianal skin, and the lower part of the rectum.

Clinical Significance

The inferior rectal artery is important in the context of hemorrhoids, which are swollen blood vessels in the rectal area. The artery can become engorged and contribute to the formation of hemorrhoids. Surgical procedures involving the rectum and anal canal, such as hemorrhoidectomy, must take care to avoid damaging this artery to prevent excessive bleeding.

Related Arteries

• Superior rectal artery
• Middle rectal artery

See Also

• Internal pudendal artery
• Internal iliac artery
• Rectum
• Anal canal

External Links

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