renal hilus

anatomy

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Last updated

July 13, 2026

Quick Summary

The renal hilus is the indented area on the inner surface of the kidney where the renal artery enters and the renal vein and ureter exit. This is a critical entry and exit point for blood and urine. The renal artery delivers blood to the kidney for filtration, while the renal vein carries processed blood away. Urine, produced by the nephrons within the kidney, collects in the renal pelvis and then passes through the ureter to the bladder. The hilus is a central hub for these vital functions within the kidney's anatomy.123

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renal system
General description and location
…a deep vertical cleft, the hilus, which leads to a cavity within the kidney known as the renal (kidney) sinus. The hilus is the point of entry and exit of the renal arteries and veins, lymphatic vessels, nerves, and the enlarged upper extension of the ureters.
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…a deep vertical cleft, the hilus, which leads to a cavity within the kidney known as the renal (kidney) sinus. The hilus is the point of entry and exit of the renal arteries and veins, lymphatic vessels, nerves, and the enlarged upper extension of the ureters.
Read More