Noun
a structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter
Source: WordNetrenal-pelvis
Distinctive features of the mammalian kidney, in comparison with that of other vertebrates, include the presence of the renal pelvis and renal pyramids, and of a clearly distinguishable cortex and medulla. Source: Internet
Urothelium covers most of the urinary system, including the renal pelvis, ureters, and bladder. Source: Internet