溶解在细胞质中的物质有营养物质、离子、可溶性蛋白、以及其它细胞功能所需的原料。
Dessolved in the cytoplasmic fluid are nutrients, ions, soluble proteins, and other materials needed for cell functioning.
结论：随着年龄增长间盘细胞质减少，并且主要撕裂区附近是减少的。广泛终板异常通过阻止间盘营养供应来减少细胞质。
Conclusion. Disc cellularity declines as age advances and is reduced in the vicinity of major tears. Extensive end-plate abnormalities reduce cellularity by impeding disc nutrition.
结论：骨髓间充质干细胞移植后可能通过上调脑源性神经营养因子的表达从而促进脊髓损伤区神经元轴突的再生。
CONCLUSION: BMMSCs can promote the regeneration of neuron axon of spinal injury region after transplantation through up-regulating the expression of BDNF.
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