Anatomy
renal pelvis Audio
re·nal pel·vis [ reen-l pel-vis ]
Subclass of:
Kidney
Definitions related to renal pelvis:
  • The area at the center of the kidney. Urine collects here and is funneled into the ureter, the tube that connects the kidney to the bladder.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • The funnel-shaped proximal portion of the ureter located within the kidney into which urine is secreted from the collecting duct system of the kidney.
    NCI
    U.S. National Cancer Institute, 2021
  • (kidney pelvis) The flattened, funnel-shaped expansion connecting the URETER to the KIDNEY CALICES.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Renal pelvis, enlarged upper end of the ureter, the tube through which urine flows from the kidney to the urinary bladder. The pelvis, which is shaped somewhat like a funnel that is curved to one side, is almost completely enclosed in the deep indentation on the concave side of the kidney, the...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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