chorionic villus 1
noundomain: animal
Princeton WordNet [ver.3.1]
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EnglishDefinition
one of the tiny villi that stick out of the fetal chorion and combine with the mother's uterine tissue to form the placenta
EnglishPart_holonym
chorion 1
noun
the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)
