腎じん盂うじんうFreq.FrequencyTop 100,000Meanings1nounrenal pelvisanatomyAnatomical term for the funnel-shaped part of the kidney that collects urine before it passes into the ureter.腎じん盂うに炎えん症しょうが起おきると腎じん盂う腎じん炎えんと呼よばれます。When inflammation occurs in the renal pelvis, it is called pyelonephritis.