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Arcuate Arteries of Kidney
Kidney Lobe

Arcuate Arteries of Kidney

Arteriae arcuatae renis

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Quick Facts

Origin: interlobar artery;

Branches: interlobular artery and arteriolae rectae;

Distribution: parenchyma of kidney (Dorland, 2011).

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Structure and/or Key Features

At the corticomedullary junction, interlobar arteries divide into arcuate arteries which diverge at right angles. Arcuate arteries are named so due to the fact they arch as they travel between the medulla and the cortex. The branches formed from the arcuate arteries are known as interlobular arteries. The ends of arcuate arteries do not anastomose, instead they terminate in the cortex as additional interlobular arteries (Standring, 2016).


Arcuate arteries facilitate the circulation of blood through the kidneys.


Dorland, W. (2011) Dorland's Illustrated Medical Dictionary. 32nd edn. Philadelphia, USA: Elsevier Saunders.

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical PracticeElsevier Limited.

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