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buccal smear
buc·cal smear (plural buc·cal smears)


noun 
Definition:
 
sample of cells of mouth lining: a gentle scraping of the inside of the cheek with a spatula in order to obtain DNA samples and cells for chromosomal and other studies
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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