macro of single kidney stone and a ruler centimeter on white background. oxalate kidney stone

ammonium anatomy background biology block blockage body calculi caliceal care chemical clogged dialysis disease disorder eswl failure filter graphic health healthcare icon internal isolated kidney lithotripsy lithotripter macro magnesium medical medicine object pain painful phosphate problem renal science sharp single stone struvite surgery ureter ureterolithiasis urethra urinary waste