chorionic villus

noun Embryology.

one of the branching outgrowths of the chorion that, together with maternal tissue, form the placenta.

Words nearby chorionic villus

chorion, chorionic epithelioma, chorionic gonadotrophin, chorionic gonadotropin, chorionic growth hormone-prolactin, chorionic villus, chorionic villus sampling, chorioretinal, chorioretinitis, chorioretinopathy, choripetalous

Medical definitions for chorionic villus

chorionic villus

n.

Any of the various fingerlike projections of the chorion of the embryo that contain fetal blood vessels and grow into the intervillous lacuna of the placenta.