Nevus (or naevus) is a general term that refers to a number of different, usually benign, pigmented lesions of the skin. Most birthmarks and moles fall into the category of nevi. melanocytic nevus: Nevus cells (melanocytes) are normally localized in the basal layer of the epidermis. Their proliferation may appear in: the epidermis (junctional nevus), in the epidermis and dermis (compound nevus), or only in the dermis (intradermal nevus). Intradermal melanocytic nevus — a benign tumor in ...
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