Chorionic Villi
Synonyms
Chorionic Villus
Placental Villi
Placental Villus
Villi, Chorionic
Villi, Placental
Villus, Chorionic
Villus, Placental
The threadlike, vascular projections of the chorion. Chorionic villi may be free or embedded within the DECIDUA forming the site for exchange of substances between fetal and maternal blood (PLACENTA).