cortical lobule

{{Short description|Part of the kidney}}

{{Infobox anatomy

| Name = Cortical lobule

| Latin = Lobuli corticales renis

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| System = Urinary system

| Artery = Interlobular arteries

| Vein = Interlobular veins

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A cortical lobule (or renal lobule) is a part of a renal lobe. It consists of the nephrons grouped around a single medullary ray, and draining into a single collecting duct. Its near identical parallel is the rectal lobe{{Citation needed|date=September 2014}}, which is present in the majority of mammals.