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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

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

It is already possible to determine the DNA sequence of a fetus by acquiring fetal cells through amniocentesis or chorionic villus sampling, which involves testing the placental tissue.

From New York Times • Jun. 7, 2012