- vitamin D1
-
a mixture of lumisterol and calciferol, obtained by ultraviolet irradiation of ergosterol.
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Universalium. 2010.
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Universalium. 2010.
Vitamin D — is a group of fat soluble prohormones, the two major forms of which are vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol).cite web|url=http://dietary supplements.info.nih.gov/factsheets/vitamind.asp|title=Dietary Supplement Fact… … Wikipedia
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sub·nor·mal — /ˌsʌbˈnoɚməl/ adj technical 1 : lower or smaller than normal subnormal body temperature subnormal levels of vitamin C subnormal intelligence 2 : having less of something than is normal … Useful english dictionary
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substitute — sub|sti|tute1 [ˈsʌbstıtju:t US tu:t] n [Date: 1400 1500; : Latin; Origin: , past participle of substituere to put in place of , from statuere; STATUTE] 1.) also sub someone who does someone else s job for a limited period of time, especially in a … Dictionary of contemporary English
Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… … Universalium
Malnutrition — Underfeeding redirects here. For the concept in metalworking, see Underfeeder. Undernutrition redirects here. For the undernutrition without malnutrition concept, see Calorie restriction. Malnutrition Classification and external resources The… … Wikipedia
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Human skin color — Skin pigmentation redirects here. For animal skin pigmentation, see Biological pigment. Variety of skin colors Human skin color is primarily due to the presence of melanin in the skin. Skin color ranges from almost black to white with a pinkish… … Wikipedia