title: Supernumerary limb structures after juxtaposing dorsal and ventral chick wing bud cells.
mesh_terms: D000818:Animals; D001842:Bone and Bones / Q000196:embryology; D002642:Chick Embryo; D002678:Chimera; D004475:Ectoderm / Q000637:transplantation*; D008648:Mesoderm / Q000637:transplantation*; D009024:Morphogenesis; D009132:Muscles / Q000196:embryology; D014921:Wings, Animal / Q000196:embryology*