PMC6421093_01
Section through the spinal cord at the level of dorsal rootlets. Myelination of the spinal cord (SC) itself appears normal whereas that of the dorsal rootlet shown (DR) here is nearly totally devoid of myelinated fibers (MF). (Luxol fast blue, H&E counter stain)
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F1
The anterior and posterior spinal cord root entry zones showed a transition from complete demyelination in the periphery to normal central myelination (Fig.1).