BACK TO calcitriol
calcitriol vs. calcitonin
[ kal-si-tree-awl, -ol ]
- a vitamin D compound, C27H44O3, occurring in humans as a hormone derived from cholesterol, that acts in the regulation and absorption of calcium.
- a preparation of this compound, used in the treatment of osteoporosis and bone fracture.
[ kal-si-toh-nin ]
- a polypeptide hormone that participates in the regulation of calcium levels in vertebrates by inhibiting loss of calcium from bone to the blood.