metabolic calculus

met·a·bol·ic cal·cu·lus

a stone, usually renal, caused by a metabolic abnormality resulting in increased excretion of a substance of low solubility in urine, such as urate or cystine.

met·a·bol·ic cal·cu·lus

(metă-bolik kalkyū-lŭs)
Stone, usually renal, caused by metabolic abnormality resulting in increased excretion of a substance of low solubility in urine.