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  • Word comparison: calcitriol vs. calcitonin

calcitriol vs. calcitonin

calcitriol

noun

  1. Biochemistry. a vitamin D compound, C 27 H 44 O 3 , occurring in humans as a hormone derived from cholesterol, that acts in the regulation and absorption of calcium.
  2. Pharmacology. a preparation of this compound, used in the treatment of osteoporosis and bone fracture.

calcitonin

noun

Biochemistry.
  1. a polypeptide hormone that participates in the regulation of calcium levels in vertebrates by inhibiting loss of calcium from bone to the blood.