Abbreviation for ultraviolet A.
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ultraviolet A; ultraviolet germicidal irradiation; ureterovesical angle
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UVA -'ā n radiation that is in the region of the ultraviolet spectrum which is nearest to visible light and extends from 320 to 400 nm in wavelength and that causes tanning and contributes to aging of the skin
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ultraviolet A.Medical dictionary. 2011.