Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of a group of chemical compounds found in certain plants, used to treat psoriasis and vitiligo.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun medicine Any of a group of
furanocoumarins , from the seeds of various plants, that are used to treatpsoriasis ,eczema andvitiligo
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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The resulting reaction is due to a substance called psoralen, used to make the skin more sensitive to a wavelength of ultraviolet light, UV-A, used to treat certain skin conditions.
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The resulting reaction is due to a substance called psoralen, used to make the skin more sensitive to a wavelength of ultraviolet light, UV-A, used to treat certain skin conditions.
Reuters: Top News 2010
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The ensuing reaction -- most commonly seen in people such as bartenders who work outdoors with limes -- owes to a substance called psoralen, Flugman told Reuters Health.
Reuters: Top News 2010
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The resulting reaction is due to a substance called psoralen, used to make the skin more sensitive to a wavelength of ultraviolet light, UV-A, used to treat certain skin conditions.
Reuters: Top News 2010
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It combines oral or topical administration of a medicine called psoralen with exposure to ultraviolet A (UVA) light.
unknown title 2009
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With repigmentation, they typically give a medication such as psoralen and add then U.V. light, and that causes a reaction in this medication to try and re-pigment that skin.
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PUVA is a one-two punch Psoriasis treatment that combines UV-A light with psoralen, which is a drug that increases the skin’s sensitivity to light.
Psoriasis Guru » Blog Archive » Disadvantages / Side Effects of the Psoriasis Treatment PUVA 2009
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One treatment for the rare skin cancer cutaneous T-cell lymphoma, for example, involves an interaction between a chemical (psoralen) and ultraviolet light.
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Light and psoralen dosage can be altered if, after about 10 weeks, there is no visible improvement.
Psoriasis Guru » Blog Archive » How Is the Psoriasis Treatment PUVA Administered? 2009
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PUVA, which stands for psoralen + UVA light radiation, is a variation of this method.
Psoriasis Guru » Blog Archive » Another Kind of UV Phototherapy: PUVA 2009
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