Keywords: دکستران آمین; 4% PFA; 4% paraformaldehyde; BBB; Basso, Beattie, Bresnahan; BDA; biotinylated-dextran amine; CPG; central pattern generator; DRG; dorsal root ganglion; IZ; intermediate zone; neo ST; neonatal spinal transection; PBS; phosphate-buffered saline; TBS; Tris-