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Renal pelvis
Pronunciation
Definition 1
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)
Definition 2
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 Thesaurus)
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