Ultaviolet Radiation

Ultaviolet Radiation - Integumentary System Ultaviolet...

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Integumentary System Ultaviolet Radiation * the major source of the damaging effects of sunlight stem primarily from the ultraviolet portion of the spectrum between 290 and 400 nm (UVB and UVA) * The different ultraviolet wavelengths penetrate the skin to different depths and have different biologic consequences Ultaviolet Radiation * Ultraviolet A (UVA, commonly called "black light") is actually the most abundant component of solar ultraviolet radiation, accounting for approximately 95% of the ultraviolet energy striking the earth's surface at the equator. * UVA is also the major wavelength produced by tanning beds * evidence has made it clear that UVA exposure has significant risks, although it may not be as dangerous as UVB. * UVA penetrates much deeper into the skin than any of the other ultraviolet wavelengths, and can potentate the carcinogenic effects of UVB. * because of its ability to penetrate deeply into the skin, UVA contributes substantially to chronic sun damage, wrinkling and can cause immunologic effects
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Ultaviolet Radiation - Integumentary System Ultaviolet...

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