kidney, anatomy of the human urinary system, cross section. shown are the renal artery, renal vein, ureter, upper calyx, lower

adrenal anatomy arteries background biology blood body cancer care concept cross details diagram dialysis disease doctor donation donor failure gland hand health hospital human illustration inside internal kidney medical medicine organ patient physiology procedure renal room science section stones surgeon surgery surgical system threedimensional transplant transplantation ureter urinary vessel