title: Apical ectodermal ridge maintenance in ovo and in vitro.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D046508:Culture Techniques; D004475:Ectoderm / Q000502:physiology* / Q000637:transplantation; D007328:Insulin / Q000502:physiology; D008648:Mesoderm / Q000502:physiology; D009024:Morphogenesis; D009154:Mutation; D011784:Quail / Q000196:embryology; D014921:Wings, Animal / Q000196:embryology*
chemical_list: D007328:Insulin