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Medical Term:


Pronunciation: ne'vus, -vi


  1. A circumscribed malformation of the skin, especially if colored by hyperpigmentation or increased vascularity; a nevus may be predominantly epidermal, adnexal, melanocytic, vascular, or mesodermal, or a compound overgrowth of these tissues.
  2. A benign localized overgrowth of melanin-forming cells of the skin present at birth or appearing early in life.

Synonym(s): mole1

[L. naevus, mole, birthmark]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.