title: Embryogenesis.
mesh_terms: D000818:Animals; D001755:Blastocyst; D002454:Cell Differentiation; D002467:Cell Nucleus; D002471:Cell Transformation, Neoplastic; D000013:Congenital Abnormalities / Q000196:embryology / Q000235:genetics; D010064:Embryo Implantation; D004622:Embryo, Mammalian / Q000502:physiology*; D004992:Ethics, Medical; D005260:Female; D005823:Genetics; D005855:Germ Layers; D006801:Humans; D051379:Mice / Q000196:embryology; D009024:Morphogenesis; D009154:Mutation; D011123:Polyploidy; D011247:Pregnancy; D051381:Rats / Q000196:embryology; D012106:Research; D013724:Teratoma / Q000196:embryology; D014327:Trophoblasts