Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
chorion | Yes | No | No | No |
chorionic villus | Yes | No | No | No |
chorion (noun) | chorionic villus (noun) |
---|---|
the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals) | one of the tiny villi that stick out of the fetal chorion and combine with the mother's uterine tissue to form the placenta |