Radicular artery

The posterior and anterior radicular arteries run along the posterior and anterior roots of the spinal nerves and supply them with blood.[1]

Relationship to segmental medullary arteries

Radicular arteries can sometimes be replaced functionally by segmental medullary arteries.[1] However, unlike those arteries, radicular arteries do not form anastamoses with the anterior or posterior spinal arteries.[1] Radicular arteries are also generally smaller.[1]

The Artery of Adamkiewicz is sometimes called "great radicular artery of Adamkiewicz",[2] however it is in fact a segmental medullary artery.[1]

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References
  1. Moore, Keith; Anne Agur (2007). Essential Clinical Anatomy, Third Edition. Lippincott Williams & Wilkins. p. 298. ISBN 978-0-7817-6274-8.
  2. Luyendijk W, Cohn B, Rejger V, Vielvoye GJ (1988). "The great radicular artery of Adamkiewicz in man. Demonstration of a possibility to predict its functional territory". Acta Neurochirurgica. 95 (3–4): 143–6. doi:10.1007/bf01790776. PMID 3228004.
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