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. 2022 Jun 23;16:938674. doi: 10.3389/fnins.2022.938674

FIGURE 6.

FIGURE 6

Heatmap of correlation between DTI and histopathological parameters in RS3-EPI, RS5-EPI, and RS7-EPI. (A) Correlation coefficients between DTI parameters and histopathological parameters. (B) Toluidine blue myelin staining of the sciatic nerves (×1000). Scale: 20 μm. (C) Toluidine blue myelin staining was analyzed by ImageJ software to determine the quantitative pathological parameters, including POAA, percentage of axon area; POMA, percentage of myelin area; TOM, the thickness of myelin; DOMF, diameter of myelinated fibers.