The chorion has three layers: cytotrophoblastic, chorionic connective tissue, and basement membrane. The chorion lies closest to the placenta. The chorionic sac encompasses the fetus and the ...

Atlanta Braves outfielder Jurickson Profar has been suspended for 80 games by Major League Baseball after failing a ...

The placenta also functions as an endocrine ... This trophoblast cell population forms the cell islands, septum, chorionic plate and chorion laeve. After 4–5 weeks of gestation (WG), both ...