: a physiologically active metabolic derivative C27H44O3 of cholecalciferol that is synthesized in the liver and kidney and stimulates the intestinal absorption of calcium

called also 1,25-dihydroxycholecalciferol

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“Calcitriol.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/calcitriol. Accessed 22 Apr. 2025.

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