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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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In addition to amniocentesis, which removes and tests a small sample of cells from amniotic fluid, these also include CVS, or chorionic villus sampling, which tests a small piece of tissue from the placenta.

From Seattle Times Feb. 12, 2024

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

The same would be true of women who have prenatal testing of fetuses with amniocentesis or chorionic villus sampling, known as C.V.S.

From New York Times Aug. 17, 2022

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

Anyone who opposes them has to explain why women should instead have to endure the tubes and needles of amniocentesis or chorionic villus sampling.

From Slate Jun. 1, 2012

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