Cup-shaped divisions of the renal pelvis.

the smallest part of the collecting system of the kidneys. The urine is filtered in the cortex or "meat" of the kidney and filters through tiny ducts in the calyces where it begins to be collected and passes down into the pelvis of the kidney before it passes down the ureter to the bladder.

Cup-shaped structures of the body; one example is the renal calyx, which collects urine in the kidney and directs it into the ureter