Outline of the General Neurobiological Problem -- The Perikarya Which Support Axonal Regrowth are Hyperexcitable -- Axonal Regrowth is Compromised by Ephaptic Cross-Talk Between the Branches -- Biological Significance of Axonal Branching -- Role of Cytoskeleton Reorganization During Axonal Branching -- The Individual Guidance Cues Promoting Reinnervation of Original Targets are Still Unknown --…