
Alfacalcidol (or 1-hydroxycholecalciferol) is an analogue of vitamin D used for supplementation in humans and as a poultry feed additive. Alfacalcidol has a weaker impact on calcium metabolism and parathyroid hormone levels than calcitriol, however alfacalcidiol has significant effects on the immune system, including regulatory T cells. It is cons...
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http://en.wikipedia.org/wiki/Alfacalcidol

1-alpha-Hydroxycholecalciferol;a derivative of vitamin D used in the treatment of hypoparathyroidism, vitamin D dependent rickets, and rickets associated with malabsorption syndromes. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

(al″fә-kal´sĭ-dol) a synthetic analogue of calcitriol, to which it is converted in the liver; used in the treatment of hypocalcemia, hypophosphatemia, rickets, and osteodystrophy that are associated with medical conditions such as chronic renal failure and hypoparathyroidism, administered orally or intravenou...
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http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: al-fă-kal′si-dol Definitions: 1. A derivative of vitamin D used in the treatment of hypoparathyroidism, vitamin D-dependent rickets, and rickets associated with malabsorption syndromes.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=2152
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