Mongolian Spot

(redirected from Blue bum)
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Mongolian spot

[mäŋ′gō·lē·ən ′spät]
(medicine)
A focal bluish-gray discoloration of the skin of the lower back, also aberrantly on the face, present at birth and fading gradually.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Mongolian Spot

 

a bluish color of the skin, sometimes found in the sacral region in children. It is caused by deposits of the pigment melanin in the connective tissue of the skin. Mongolian spots were first described among children of Mongoloid ancestry, but they also occur among children of other races.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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