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Elsevier
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Interlobar Artery of Kidney (Right)
Cardiovascular System

Interlobar Artery of Kidney (Right)

Arteria interlobaris renis

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Quick Facts

Origin: Segmental arteries of kidney.

Course: Extend outward from near the renal papillae within the renal columns.

Branches: The interlobar arteries bifurcate into arcuate arteries just as they reach the renal cortex, and these branches travel in opposite directions across the cortex.

Supplied Structures: Renal columns.

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Origin

The renal segmental arteries give rise to renal interlobar arteries.

Course

Renal interlobar arteries pass from the renal pelvis side (deep) to the cortex side (superficial) along the renal columns on either side of a renal pyramid.

Branches

The interlobar arteries bifurcate just as they reach the renal cortex (juxtamedullary zone of the cortex) sending arcuate arteries in opposite directions that parallel the external surface of the kidney.

Supplied Structures

The interlobar arteries supply the renal columns, and will ultimately, through one or more generations of branches, provide the afferent glomerular input of the nephron.

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Complete Anatomy