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materia alba

[ mə-tîrē-ə ălbə ]
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n.
A white cheeselike accumulation of food debris, microorganisms, desquamated epithelial cells, and blood cells deposited around the teeth at the gumline.
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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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