calcitriol

[ kal-si-tree-awl, -ol ]

/ kælˈsɪ triˌɔl, -ˌɒl /

noun

Biochemistry. a vitamin D compound, C27H44O3, occurring in humans as a hormone derived from cholesterol, that acts in the regulation and absorption of calcium.

Pharmacology. a preparation of this compound, used in the treatment of osteoporosis and bone fracture.

Nearby words

calciphobe, calciphylaxis, calciprivic, calcite, calcitonin, calcitriol, calcium, calcium antagonist, calcium arsenate, calcium blocker, calcium carbide

Origin of calcitriol

1975–80; apparently calci(um) + triol