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melanotic macule on lower lip Does anyone know what this black mark my is? Started last August so it's I've had it nearly a year, was living in Spain at the time for 6 months A brown macule on the
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(6) Cooper, R., F

Melanocytes are located in the basal layer of the epidermis and synthesize melanin, which plays a key role in photoprotection against UV radiation (224)

[Accessed 8/29/2016]
