Skeletal muscle consists of thousands of muscle fibers, each controlled by one motor neuron whose cell body lies in the brain or spinal cord.
骨骼肌由数以千计的肌纤维组成，每段肌纤维由一个运动神经元控制，它的胞体存在大脑或者脊髓中。
Conclusion: the results suggest that there are more than one neurotrophic substances in human fetal spinal cord that exerted neurotrophic effects on survival and differentiation of GABAergic neuron.
结论：实验结果揭示人胎脊髓中可能存在不止一种神经营养活性成分，对GABA神经元的活性和分化起营养作用。
The formation of necrosis cavum and glial scar after spinal cord injured was one of important factor that affected regeneration of nerve fiber and neuron.
脊髓损伤后所形成的坏死空洞和反应性增生的胶质瘢痕是导致脊髓损伤再生修复受阻的重要因素。
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