renal pelvis

noun

Definition of renal pelvis

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 2) of the kidney

Recent Examples of renal pelvis from the Web

There were increases in rates of kidney and renal pelvis cancer and liver cancer.

— tegan hanlon, Anchorage Daily News, "The cancer rate in Alaska dropped, state report says," 18 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'renal pelvis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of renal pelvis

1757

in the meaning defined above

See Words from the same year

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Medical Dictionary

renal pelvis

noun

medical Definition of renal pelvis

: 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