renal pelvis

noun

anatomy
: a funnel-shaped structure in each kidney that receives urine from the collecting duct for passage into the ureter and that is formed at one end by the expanded upper portion of the ureter and at the other end by the union of two or more calyxes (see calyx sense 2) of the kidney

Examples of renal pelvis in a Sentence

Recent Examples on the Web There were increases in rates of kidney and renal pelvis cancer and liver cancer. Tegan Hanlon, Anchorage Daily News, 18 Jan. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'renal pelvis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1757, in the meaning defined above

Time Traveler
The first known use of renal pelvis was in 1757

Dictionary Entries Near renal pelvis

Cite this Entry

“Renal pelvis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/renal%20pelvis. Accessed 5 Mar. 2024.

Medical Definition

renal pelvis

noun
: a funnel-shaped structure in each kidney that is formed at one end by the expanded upper portion of the ureter lying in the renal sinus and at the other end by the union of the calyxes of the kidney
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