The broad part of ureter in the mammalian kidney is ________ .
Pelvis
Renal pelvis is the enlarged upper end of the ureter. Ureter is 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 and is almost completely enclosed in the deep indentation on the concave side of the kidney, the sinus.