Middle hemorrhoidal artery

Middle Hemorrhoidal Artery

Middle Hemorrhoidal Artery as seen in Gray's Anatomy

The Middle Hemorrhoidal Artery is a branch of the Internal Iliac Artery that supplies blood to the Rectum and Anal Canal. It is also known as the Inferior Rectal Artery in some anatomical texts.

Anatomy

The Middle Hemorrhoidal Artery typically arises from the anterior division of the Internal Iliac Artery, but its origin can vary. It descends towards the Pelvis, giving off several branches that supply the lower part of the rectum and the upper part of the anal canal.

Clinical Significance

Knowledge of the Middle Hemorrhoidal Artery is crucial in surgical procedures involving the rectum and anal canal, such as Hemorrhoidectomy and Rectal Prolapse Repair. Damage to this artery during surgery can lead to significant bleeding.

See Also

• Superior Rectal Artery
• Inferior Rectal Artery
• Internal Iliac Artery
• Hemorrhoidectomy
• Rectal Prolapse Repair

References

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