Search calcium oxalate (CaC2O4) calcium oxalate (CaC2O4), a small, colorless crystal that may be present in urine or may be a component of renal calculi. Tweet Telegram VK Random Words closed group puerperal phlebitis LET meradimate total body irradiation purulent keratitis porphyrins and porphobilinogens test Lindau-von Hippel disease exteroceptive