Urolithiasis

Urolithiasis (from Greek oûron, "urine", + lithos, "stone", + -iasis) is the formation of urinary calculi (urinary stones), which are calculi formed or located anywhere in the urinary system. It comprises nephrolithiasis (the formation of kidney stones), ureterolithiasis (the formation of stones in the ureters), and cystolithiasis (the formation of bladder stones).