Fig. 7

Bar graphs indicate differences in the number of VHMNs (a), the size of the cavity area (b) and the degree of white matter sparring (c) in the spinal cord in the control, 40-μl PRD, 40-μl PCD, 50-μl PRD and 50-μl PCD groups. There were significant differences in the number of VHMNs, the sizes of the cavitations and the degree of white matter sparring in the rostral lesion centers between the 50-μl PRD and 50-μl PCD groups. Data are presented as the mean ± SD. ^**** p < 0.0001