title: Control of pattern duplication in the retinotectal system of Xenopus. Induction of duplication in eye fragments by secondary cuts.
mesh_terms: D000818:Animals; D001931:Brain Mapping; D004627:Embryonic Induction; D005071:Evoked Potentials; D012160:Retina / Q000196:embryology*; D013477:Superior Colliculi / Q000196:embryology*; D014795:Visual Pathways / Q000166:cytology / Q000196:embryology* / Q000502:physiology; D014981:Xenopus