title: A mechanism of teratogenesis: experiments and ultrastructural investigations on the yolk sac placenta of the mouse.
mesh_terms: D000818:Animals; D010064:Embryo Implantation; D004707:Endoderm / Q000502:physiology / Q000648:ultrastructure; D005260:Female; D006652:Histological Techniques; D007505:Iron-Dextran Complex; D051379:Mice / Q000196:embryology*; D008854:Microscopy, Electron; D010920:Placenta / Q000502:physiology / Q000648:ultrastructure*; D011247:Pregnancy; D013723:Teratogens; D013911:Thorium Dioxide; D015017:Yolk Sac / Q000502:physiology / Q000648:ultrastructure*
chemical_list: D013723:Teratogens; D007505:Iron-Dextran Complex; D013911:Thorium Dioxide