nevus

Definition / meaning of nevus

A benign (not cancer) growth on the skin that is formed by a cluster of melanocytes (cells that make a substance called melanin, which gives color to skin and eyes). A nevus is usually dark and may be raised from the skin. Also called mole.

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Find More About 'nevus'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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