calcitriol
[kal-si-tree-awl, -ol]
- 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.
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Origin of calcitriol
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018