Fine structural analysis of limb development in the wingless mutant chick embryo.
D000818:Animals; D002642:Chick Embryo; D004475:Ectoderm / Q000648:ultrastructure; D008648:Mesoderm / Q000648:ultrastructure; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D009154:Mutation; D014921:Wings, Animal / Q000196:embryology* / Q000648:ultrastructure