1 Cardiomyopathy and Women's health symptoms and Movement symptoms (12 causes) 2  Cardiomyopathy and Women's health symptoms and Muscle symptoms (12 causes) 3  Cardiomyopathy and Women's health symptoms and Nerve symptoms (12 causes)  Cardiomyopathy and Women's health symptoms and Heart symptoms (11 causes)
chorion. the outermost of the fetal membranes, composed of trophoblast lined with mesoderm; it develops villi, becomes vascularized by allantoic vessels, and forms the fetal part of the placenta. chorion frondosum. the part of the chorion covered by villi.
1.Both the amnion and the chorion are extra embryonic membranes found in reptiles, birds and mammals. 2.The amnion is the inner membrane that surrounds the embryo while the chorion surrounds the embryo, the amnion and other membranes. 3.The amnion is filled with amniotic fluid, which holds the embryo in suspension while the chorion also acts as a protective barrier during the embryoâs development.