Amnion is the innermost fetal membrane that encloses the developing embryo in amniotes, forming a fluid-filled sac. This protective cushion, the amniotic sac, shelters the growing life from external shock and allows for free movement.
Amnion is the innermost fetal membrane that encloses the developing embryo in amniotes, forming a fluid-filled sac. This protective cushion, the amniotic sac, shelters the growing life from external shock and allows for free movement.