Figure 1: BBB scores of rats with SCI before and after hUCB-MSCs transplantation at 7 days after SCI. (a) hUCB-MSC transplantation group displayed significantly improved scores compared with control at 6 weeks after transplantation. (b) Cavity volume between the hUCB-MSC and control groups at 6 weeks after transplantation. The values of the cavity volume of the hUCB-MSC group were lower than those of the control group. (c) and (d) HE-stained sections of transplantation group and control group, .