| Pronunciation: | | 'ret`nowl
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 WordNet Dictionary |
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| | Definition: | | [n] an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene |
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| | Synonyms: | | vitamin A1 |
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| | See Also: | | A, antiophthalmic factor, axerophthol, vitamin A |
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| Medical Dictionary |
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| | Definition: | | Vitamin A. It is essential for proper vision and healthy skin and mucous membranes. Retinol is being studied for cancer prevention; it belongs to the family of drugs called retinoids. |
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| Biology Dictionary |
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| | Definition: | | Any chemical relative of retinol; this vitamin is the precursor of visual pigments and is vital for the differentiation of epithelial tissues. It is thought to have anticancer properties and is used to treat skin problems such as acne, wrinkling and icthyosis. This vitamin is found in liver oils and is synthesized from carotenoids. |
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