Daily Almanac for
Nov 30, 2009
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chorion'ic vil'lus sam"pling




a prenatal test for detecting birth defects at an early stage of pregnancy, involving removal by needle of fluid from the chorionic villus, and examination of the cells obtained.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

chorionic villuschoripetalous
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