An abnormal concretion occurring mostly in the urinary and biliary tracts, usually composed of mineral salts. Also called stones.
Biliary or Urinary Stones,Calculus
D053040
Nephrolithiasis
Formation of stones in the KIDNEY.
D020347
Lithiasis
A condition characterized by the formation of CALCULI and concretions in the hollow organs or ducts of the body. They occur most often in the gallbladder, kidney, and lower urinary tract.