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chorionic villus

American  

noun

Embryology.
  1. one of the branching outgrowths of the chorion that, together with maternal tissue, form the placenta.


Example Sentences

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This restriction stems from the fact that the analysis currently necessitates either chorionic villus sampling or amniocentesis, both procedures associated with discomfort and a slight risk of miscarriage.

From Science Daily • Jan. 4, 2024

In the past, women had to undergo chorionic villus sampling, in which cells are taken from the placenta, or amniocentesis, which involves removing fluid from the womb, to test for the chromosomal abnormality.

From Washington Post • Mar. 5, 2018

Deborah and Ariel Levy sued for damages, alleging the physician who had performed the chorionic villus sampling procedure had mistakenly removed maternal tissue instead of fetal tissue.

From Slate • Mar. 3, 2017

The next step is diagnostic testing on cells from the fetus obtained through amniocentesis, which is like a needle biopsy through the belly, or chorionic villus sampling, which snips a bit of the placenta.

From Seattle Times • Dec. 6, 2012

It has already been possible to determine paternity during pregnancy using amniocentesis or chorionic villus sampling, the same medical procedures used to test a fetus for Down syndrome.

From New York Times • Jun. 19, 2012

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