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Here is a quick mnemonic/memory aid “INFERIOR ARTERY to remember Inferior Mesenteric Artery important facts

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Inferior Mesenteric Artery : How To Remember Easily ?

  • I – Iliac Arteries: The Inferior Mesenteric Artery is located below the Iliac Arteries.
  • N – Nutrient Supply: It provides Nutrient Supply to the distal colon.
  • F – Feeds: It Feeds the sigmoid colon and rectum.
  • E – End Artery: It’s an End Artery, supplying the end portions of the gastrointestinal tract.
  • R – Riolan’s Arch: Also known as the meandering mesenteric artery, it connects with Riolan’s Arch (anterior communicating artery).
  • I – Inferior: It’s the Inferior arterial supply to the lower gastrointestinal tract.
  • O – Origin: Arising from the abdominal aorta, it originates from the left side of the aorta.
  • R – Rectal Branches: It sends Rectal Branches to supply the rectum.
  • A – Anastomoses: It forms Anastomoses with the superior mesenteric artery.
  • R – Retroperitoneal: The Inferior Mesenteric Artery is located in the retroperitoneal space.
  • T – Terminal Branches: It has Terminal Branches that provide blood to the descending colon and sigmoid colon.
  • E – Enteric Circulation: It plays a crucial role in Enteric Circulation, supporting the intestines.
  • Y – Yields: It Yields essential blood supply to the lower abdominal organs.


Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department