Objective.To obtain the ideal methods of drawing the materials from OB and puring OECS; To select optimal chance to cure SCI with cell transplantation by comparing three different transplantation occasion after SCI; Try to find out whether united transplanation of OECS and ESC possess synergistic effects to promote axonal regeneration after rats suffer spine cord transection . Methods: We made a contrast of the following procedures: three methods to draw the materials from OB;three methods to pure the OECS;...