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ergocalciferol

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ergocalciferol /er·go·cal·cif·er·ol/ (er″go-kal-sif´er-ol) vitamin D; a sterol occurring in fungi and some fish oils or synthesized from ergosterol, with similar activity and metabolism to those of cholecalciferol; used as a dietary source of vitamin D and in the treatment of hypocalcemia, hypophosphatemia, rickets, and osteodystrophy associated with a variety of disorders.
er·go·cal·cif·er·ol (ûrg-kl-sf-rôl, -rl)
n.

ergocalciferol.

ergocalciferol
vitamin D2; an oil-soluble antirachitic vitamin. See also vitamin d.


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400 IU (10 [micro]g) per day of ergocalciferol (vitamin D2) or of cholecalciferol (vitamin D3) are sufficient.
Ergocalciferol (vitamin D2) at high doses (150,000 to 200,000 IU/kg/day) administered prior to mating resulted in altered estrous cycle and inhibition of pregnancy in rats.
 
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