Is the placenta porous?
D000818:Animals; D001327:Autoimmune Diseases / Q000209:etiology; D003582:Cytogenetics; D005260:Female; D008431:Maternal-Fetal Exchange; D051379:Mice; D010063:Ovum / Q000637:transplantation*; D010539:Permeability; D011247:Pregnancy; D011270:Pregnancy, Animal; D014181:Transplantation Immunology; D014184:Transplantation, Homologous