Nevus (or naevus, plural nevi, from nævus, latin for birthmark) is the medical term for sharply-circumscribed and chronic lesions of the skin. These lesions are commonly named birthmarks and moles. By definition, nevi…
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Causes of Mole symptoms, alternative diagnoses, rare causes, misdiagnoses, patient stories, and much more.
The mole (symbol: mol) is a unit of amount of substance: it is an SI base unit, and one of the few units used to measure this physical quantity. The name "mole" was coined in German (as Mol) by Wilhelm Ostwald in 1893, although the related concept ...