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. 2014 Nov 10;11(3):1759–1767. doi: 10.3892/mmr.2014.2905

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Copyright © 2015, Spandidos Publications

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Transmission electron microscopy. (A) A glial scar and a small number of myelinated nerve fibers are shown in group A. (B) The number of myelinated nerve fibers and non-myelinated nerve fibers at the injury site in group B was greater than that in group A but less than that in group C. (C) Numerous myelinated and non-myelinated nerve fibers were observed in group C, with more axons and intact myelin. Arrows show a glial scar and a small number of myelinated nerve fibers. Scale bar, 0.1 μm.