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| Matching Terms: | | vitamin, vitamin a, vitamin a1, vitamin a2, vitamin b, vitamin b complex, vitamin b1, vitamin b12, vitamin b2, vitamin b3, vitamin b6, vitamin b7, vitamin bc, vitamin c, vitamin d2, vitamin e, vitamin g, vitamin h, vitamin k, vitamin k1, vitamin k3, vitamin m, vitamin p, vitamin pill, vitamin-deficiency diet, vitaminise, vitaminize, vitamins
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 WordNet Dictionary |
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| | Definition: | | [n] a fat-soluble vitamin that prevents rickets |
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| | Synonyms: | | calciferol, cholecarciferol, D, ergocalciferol, viosterol |
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| | See Also: | | ergosterol, fat-soluble vitamin |
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| Biology Dictionary |
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| | Definition: | | This steroid vitamin is needed for calcium metabolism, and is found in egg yolk, fatty fish and enriched milk, but, since it is synthesized in the skin when an individual is exposed to sunlight, it isn't normally needed in the diet. It is used to treat rickets, a nutritional disease that causes poor bone growth in children. |
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