MeSH definition : 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).; 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).;
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). 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).