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nevus

[nee-vuh s] /ˈni vəs/
noun, plural nevi
[nee-vahy] /ˈni vaɪ/ (Show IPA)
1.
any congenital anomaly of the skin, including moles and various types of birthmarks.
Origin
1685-1695
1685-95; spelling variant of Latin naevus mole
Related forms
nevoid
[nee-void] /ˈni vɔɪd/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for nevi

nevus

/ˈniːvəs/
noun (pl) -vi (-vaɪ)
1.
the usual US spelling of naevus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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nevi in Medicine

nevus ne·vus (nē'vəs)
n. pl. ne·vi (-vī')

  1. A congenital circumscribed growth or mark on the skin, such as a mole or a birthmark, colored by hyperpigmentation or increased vascularity.

  2. A benign localized overgrowth of melanin-forming cells arising in the skin early in life.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for nevi

birthmark

congenital skin lesion, or birthmark, caused by abnormal pigmentation or by proliferation of blood vessels and other dermal or epidermal structures. Nevi may be raised or may spread along the surface of the skin. In other types, such as the blue nevus, proliferative tissue is buried deep within the dermis, the lower layer of the skin

Learn more about birthmark with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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7
9
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