title: Presence of egg antigen in immature oocytes and preimplantation embryos.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000032:analysis*; D003601:Cytotoxicity Tests, Immunologic; D010064:Embryo Implantation; D004622:Embryo, Mammalian / Q000276:immunology*; D005260:Female; D005865:Gestational Age; D006168:Guinea Pigs / Q000276:immunology; D007106:Immune Sera; D007114:Immunization; D051379:Mice; D010063:Ovum / Q000276:immunology*; D011247:Pregnancy
chemical_list: D000941:Antigens; D007106:Immune Sera