title: New insights into the problem of pattern regulation in the limb bud of the chick embryo.
mesh_terms: D000818:Animals; D002450:Cell Communication; D002642:Chick Embryo; D004627:Embryonic Induction; D005121:Extremities / Q000196:embryology*; D008648:Mesoderm / Q000637:transplantation; D009024:Morphogenesis