title: Pattern regulation in the embryonic chick limb: supernumerary limb formation with anterior (non-ZPA) limb bud tissue.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D000013:Congenital Abnormalities / Q000209:etiology*; D004475:Ectoderm / Q000637:transplantation; D008648:Mesoderm / Q000637:transplantation; D014184:Transplantation, Homologous; D014921:Wings, Animal / Q000196:embryology* / Q000637:transplantation