mouthwash test

mouthwash test
a simple noninvasive procedure that enables the detection of carrier for single gene defects, e.g. cystic fibrosis. Epithelial cells from the buccal cavity are obtained from a saline mouthwash: from these it is possible to isolate DNA, which is amplified by the polymerase chain reaction to enable gene analysis.

Medical dictionary. 2011.

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