Ischemia and hypoxia induce the death of nerve cells and discontinue of the nerve fiber.

缺血、缺氧导致神经细胞死亡和神经纤维中断。

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Three essential elements of glaucomatous optic nerve damages are optic nerve rim loss, retinal nerve fiber layer defects (RNFLD) and optic disc linear hemorrhages.

诊断青光眼视神经损害的三要素为盘沿丢失、视网膜神经纤维层缺损(RNFLD)及视盘线状出血。

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CONCLUSION: Astrocytes may take part in the further lesion of nerve fiber in glaucoma, and inhibit the regeneration of nerve fiber axis-cylinder.

结论：星形胶质细胞可能参与了青光眼神经纤维的进一步损害和抑制了神经纤维轴索再生。

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This is done by examining the combined concentration of gray and white matter, or nerve cells and fiber tracts, in parts of the brain not normally used for verbal processing the hippocampus and cerebellum, normally associated with memory and motor learning.

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The retinal nerve fiber layer is the one part of the brain where nerve cells are not covered with the fat and protein sheathing called myelin, making this assessment specific for nerve damage as opposed to brain MRI changes, which reflect an array of different types of tissue processes in the brain.

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