Calculus

(kal' or -ku-lus). the bladder, kidney, etc. C, Arthritic, a gouty concretion. Biliary, a gall-stone. C, Bronchial, a concretion in an air-pa age. C, Cutaneous. See Milium . C, Dental, tartar on the teeth or gums. C, Fusible, a urinary calculus composed of phosphates of ammonium, calcium, and magnesium. C, Lacteal, or Mammary, a calcareous nodule sometimes obstructing the lactiferous ducts. C, Mulberry, the oxalate of-lime variety, resembling a mulberry in shape and color. C, Nasal. See Rhinolith . C., Prostatic, one in the prostate gland. C, Renal, a calculus found in the kidney, producing what has been called nephritic colic. C, Salivary, one forming in the ducts of the salivary glands. C, Uterine, an intrauterine concretion; a womb stone; formed mainly by calcareous degeneration of a tumor. C, Vesical, one that may have originally descended from the kidney or formed primarily in the bladder.