Supernumerary limb induction in the Anura.
D000818:Animals; D001485:Basement Membrane / Q000166:cytology; D002025:Bufonidae / Q000254:growth & development*; D002454:Cell Differentiation; D002490:Central Nervous System / Q000196:embryology* / Q000637:transplantation; D005121:Extremities / Q000254:growth & development*; D007814:Larva; D008854:Microscopy, Electron; D014184:Transplantation, Homologous