(redirected from 1,25-dihydroxy vitamin D)
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 (kăl′sĭ-trī′ôl′, -ōl′)
The active metabolite of vitamin D, C27H44O3, that is synthesized in the kidneys and liver from vitamin D2 or vitamin D3 and acts as a calcium-regulating hormone. A synthetic form is used as a drug to treat hypocalcemia, bone disease caused by renal failure, and, in topical preparations, psoriasis.



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References in periodicals archive ?
25Hydroxyvitamin D and 1,25-dihydroxy vitamin D of D2 and D3 origin in maternal and umbilical cord serum after vitamin D2 supplementation in human pregnancy.
Once vitamin D is available, the body converts it first into 25-hydroxy vitamin D and then into 1,25-dihydroxy vitamin D (1,25-D).
Studies have shown that 1,25-dihydroxy vitamin D [1,25[(OH).