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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

CVS or chorionic villus sampling, is offered at 10 to 13 weeks gestation.

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

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

At 10 to 12 weeks, you can get chorionic villus sampling, which involves extracting tissue from the placenta by going through your abdomen or inserting a tube through your cervix.

From Slate • Jun. 1, 2012

Yet most women deemed at a higher-than-usual risk of an affected pregnancy do not get the invasive tests – amniocentesis or chorionic villus sampling – that can diagnose Down syndrome in the fetus.

From New York Times • Oct. 18, 2011

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