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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Cite this Entry

“Renal papilla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/renal%20papilla. Accessed 28 Feb. 2020.

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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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