Placental Circulation Model
Detailed and life-size, this model show all the major structures of the placenta in realistic color. Features cotyledons on the maternal surface, amniotic and chorionic membranes on the fetal surface, and umbilical vessels that can be seen through the membrane of the cord. A sectional cutout of the placenta exposes the subchorial space, villi with fetal arteries and veins, decidual septa, spiral arterioles, and marginal sinus. Comes with key. 15½" x 10½" x 4".