Neural induction: past, present, and future.
D000663:Amphibians / Q000196:embryology*; D000818:Animals; D002454:Cell Differentiation; D004625:Embryo, Nonmammalian; D004627:Embryonic Induction; D005855:Germ Layers / Q000502:physiology*; D009420:Nervous System / Q000196:embryology* / Q000637:transplantation; D014183:Transplantation, Heterologous