noun
definition
Any of a number of different, usually benign, pigmented, raised or otherwise abnormal lesions of the skin.
example
Most birthmarks and moles fall into the category of nevi.
Examples of nevi in a Sentence
Most moles are benign (not cancerous), but atypical moles (dysplastic nevi) may develop into malignant melanoma, a potentially fatal form of skin cancer.
Congenital nevi are more apt to become cancerous than moles that develop after birth, especially if they are more than eight inches in diameter.
Nevus (plural, nevi)-The medical term for any anomaly of the skin that is present at birth, including moles and birthmarks.
Another characteristic cosmetic feature is the presence of multiple pigmented nevi (colored spots on the skin).
Skin angiomas, also called vascular nevi (marks), are overgrown blood vessel tissue (hemangiomas) or lymph vessel tissue (lymphangiomas) beneath the skin's surface.
Moles that are present at birth are called congenital nevi.