calcitriol
[ kal-si-tree-awl, -ol ]
/ kælˈsɪ triˌɔl, -ˌɒl /
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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.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021