Lack of permeability of mouse placenta to maternal and foetal cells.
D000818:Animals; D002875:Chromosomes; D003433:Crosses, Genetic; D005260:Female; D007621:Karyotyping; D008214:Lymphocytes / Q000648:ultrastructure; D008431:Maternal-Fetal Exchange; D051379:Mice; D008938:Mitosis; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy