What Passes Through Placental Barriers?

What Passes Through Placental Barriers? Maternal-to-fetal transfer occurs across the placental barrier, made up of both the syncytiotrophoblast on the maternal side and the endothelial cell layer on the fetal side. Which of the following agents would most readily cross the placenta? Induction agents Thiopental is the most commonly used induction agent in parturients. It