Medical Dictionary


noun me·thox·sa·len \me-ˈthäk-sə-lən\

Medical Definition of METHOXSALEN

:  a drug C12H8O4 used to increase the production of melanin in the skin upon exposure to ultraviolet light and in the treatment of vitiligo—called also 8-methoxypsoralen, xanthotoxin; see meloxine


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