Fig. 6

Nissl staining results of spinal cord tissue at the injury site in rats after SCI. (A) Spinal cord at 2 weeks post-injury in the sham group; (B) Spinal cord at 2 weeks post-injury in the SCI group; (C) Spinal cord at 2 weeks post-injury in the STS group; (D) Spinal cord at 8 weeks post-injury in the sham group; (E) Spinal cord at 8 weeks post-injury in the SCI group; (F) Spinal cord at 8 weeks post-injury in the STS group. Scale bar = 200 μm in spinal cord overall view, and Scale bar = 50 μm in details of the site of injury