Inferior rectal artery

Inferior Rectal Artery

Inferior rectal artery and its branches.

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

Anatomy

The inferior rectal artery arises from the internal pudendal artery as it courses medially towards the ischial tuberosity. It then descends to the anal canal, giving off several branches to supply the muscles and skin of the anal region.

Clinical Significance

Knowledge of the inferior rectal artery is important in surgical procedures involving the rectum and anus, such as hemorrhoidectomy and anal fissure repair. Damage to this artery during surgery can lead to significant bleeding.

See Also

• Superior rectal artery
• Middle rectal artery
• Internal pudendal artery
• Internal iliac artery

References

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