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1. Oxford American Dictionary

   chorionic villus sampling

   • IPA[ˌkôrēˌänik ˈviləs ˈsamp(ə)liNG]

   • n.
     a test made in early pregnancy to detect congenital abnormalities in the fetus. A tiny tissue sample is taken from the villi of the chorion, which forms the fetal part of the placenta.

   • noun: chorionic villus sampling

2. • 更多解釋

   chorionic villus sampling

   • n.
     a test made in early pregnancy to detect congenital abnormalities in the fetus, in which a ...

   Oxford Dictionary