macro photo of a small kidney stone

macro photo small kidney stone ammonium biology block blockage calcium calculi calculus caliceal carbonate care chemical clogged cystolithiasis deposition dialysis disease disorder diuretic eswl health healthcare internal lithotripsy lithotripter magnesium medical medicine nephrolith oxalate pain painful phosphate renal failure salt science sharp struvite ureter ureterolithiasis uric acid urinary urologist waste