Calyces

Definition

Calyces are the cup-shaped structures in the kidney that collect urine before it passes into the ureter. They form part of the renal pelvis, funneling urine from the nephrons to the ureter.

Related terms

Nephron: The functional unit of the kidney that filters blood to produce urine.

Renal pelvis: The central space, or cavity, within the kidney where urine collects before moving to the ureter.

Ureter: A tube that carries urine from each kidney to the bladder for storage