villus : Idioms & Phrases
chorionic villus
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noun one of the tiny villi that stick out of the fetal chorion and combine with the mother's uterine tissue to form the placenta
WordNet
chorionic villus biopsy
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noun a prenatal test to detect birth defects at an early stage of pregnancy; tissue from the chorionic villi is assayed
chorionic villus biopsy.
WordNet
chorionic villus sampling
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noun a prenatal test to detect birth defects at an early stage of pregnancy; tissue from the chorionic villi is assayed
chorionic villus biopsy.