renal papilla

noun

Definition of renal papilla 

anatomy

: the apex of a renal pyramid which projects into the cavity of a calyx (see calyx sense 2) of the kidney and through which collecting ducts discharge urine

First Known Use of renal papilla

1744, in the meaning defined above

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The first known use of renal papilla was in 1744

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renal papilla

noun

Medical Definition of renal papilla 

: the apex of a renal pyramid which projects into the lumen of a calyx of the kidney and through which collecting ducts discharge urine

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