25-hydroxyergocalciferol

25-hy·drox·y·er·go·cal·cif·er·ol

(hī-drok'sē-ĕr'gō-kal-sif'ĕr-ol),
A biologically active and major circulatory metabolite of vitamin D2.
Synonym(s): ercalcidiol
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
25-OH [D.sub.2] (25-hydroxyergocalciferol; >98% purity) and 25-OH [D.sub.3] (25-hydroxycholecalciferol; >98% purity) were purchased from Sigma Aldrich.
Routine isotope-dilution liquid chromatography--tandem mass spectrometry assay for simultaneous measurement of the 25-hydroxy metabolites of vitamins [D.sub.2] and [D.sub.3]
A competitive protein binding assay for 25-hydroxy-cholecalciferol and 25-hydroxyergocalciferol in serum.
Life-style factors associated with winter serum 25-hydroxyvitamin D levels in elderly adults
[1] Nonstandard abbreviations: 25(OH)D, 25-hydroxyvitamin D; UV, ultraviolet; 25(OH)[D.sub.2], 25-hydroxyergocalciferol; 25(OH)[D.sub.3], 25-hydroxycholecalciferol; FDA, Food and Drug Administration; and EDsa median effective dose.
Comparison of commercially available [sup.125]I-based RIA methods for the determination of circulating 25-hydroxyvitamin D
Serum total 25-hydroxyvitamin D (25-hydroxycholecalciferol, D2 and 25-hydroxyergocalciferol, D3) was assayed in duplicate using a commercial kit (Incstar Inc., Stillwater, MN, USA).
Relationships between parathyroid hormone, 25-hydroxyvitamin D, and bone mineral density in elderly men
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