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
Kidney and renal pelvis cancer and leukemia remained relatively stable among women.
—
Melissa Rudy, FOXNews.com, 21 Apr. 2025
The intermittent pain, called renal colic, is caused by spasms as the walls of the renal pelvis are stretched.5
The pain may be dull, like a back strain, or intense, like a kidney punch.
—Jay N. Yepuri, Verywell Health, 21 Oct. 2024
This retention of fluid, in turn, increases pressure within the renal pelvis, which can dislodge a stone.20
Studies have shown that, among men, emergency room visits for kidney stones are higher in the summer and lower in the winter.
—Jay N. Yepuri, Verywell Health, 21 Oct. 2024
There were increases in rates of kidney and renal pelvis cancer and liver cancer.
—Tegan Hanlon, Anchorage Daily News, 18 Jan. 2018
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Melissa Rudy, FOXNews.com, 21 Apr. 2025
The intermittent pain, called renal colic, is caused by spasms as the walls of the renal pelvis are stretched.5
The pain may be dull, like a back strain, or intense, like a kidney punch.
—Jay N. Yepuri, Verywell Health, 21 Oct. 2024
This retention of fluid, in turn, increases pressure within the renal pelvis, which can dislodge a stone.20
Studies have shown that, among men, emergency room visits for kidney stones are higher in the summer and lower in the winter.
—Jay N. Yepuri, Verywell Health, 21 Oct. 2024
There were increases in rates of kidney and renal pelvis cancer and liver cancer.
—Tegan Hanlon, Anchorage Daily News, 18 Jan. 2018
Cite this Entry
“Renal pelvis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/renal%20pelvis. Accessed 25 Jul. 2025.
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