Figure 2.

Histological changes in the spinal cord of rats with ischemic spinal cord injury.

(A) Nissl staining of spinal cord tissue sections from rats in the S and I/R groups at different time points after reperfusion (0–72 hours) (× 400). Arrows show normal neuronal cells. (B) Number of normal neurons in the anterior horn of the spinal cord. Data are expressed as the mean ± SD of 10 rats in each group at each time point. All data were compared using one-way analysis of variance. *P < 0.05, vs. S group; #P < 0.05, vs. I/R groups at all other time points. S: Sham; I/R: ischemia/reperfusion; h: hour(s).