腕关节软骨盘的生物力学和组织学实验研究
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四川省教育厅基金项目(08ZA100)


Study of Biomechanics and Experimental Histology of the Wrist Joint Cartilage Disc
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    摘要:

    目的 对人体腕关节软骨盘进行生物力学和组织学实验研究,为该结构的劳损与运动性损伤及其防治提供相关依据。方法 对正常成年人腕关节软骨盘做组织学实验并对腕关节软骨盘试件进行压缩-扭转实验后进行组织学观察。结果 正常腕关节软骨盘属于纤维软骨;腕关节软骨盘各部位的纤维排列有一定差异,具有结构的功能性适应;软骨盘中血管丰富,未见神经分布;持续的压力、扭转力造成软骨盘组织细胞变形、软骨陷窝几乎消失;软骨盘内血管受损。结论 正常人的腕关节软骨盘组织学结构已有功能性适应,并有丰富血管供给营养。但过度的负荷,也会使组织结构发生变化,失去营养供应,出现疲劳性损伤。

    Abstract:

    Objective This rotated-compression experiment of adult pelvis of wrist cartilage was to provide some relevant evidences to the injury and chronic strain of this configuration, and to prevention and cure of it. Method Histological experiments of pelvis of wrist cartilage of normal adults. Result Regular pelvis of wrist cartilage is fibro cartilage, and the fiber array of all parts in it are different according to various structure functions; also vascular is rich, but no nerve visible. After durative and rotated pressure experiments, tissue cells in pelvis of wrist cartilage were deformed, cartilage lacuna was nearly disappeared, and vascular was injured. Conclusions The histological structure of pelvis of wrist cartilage has functionally adaptation, and ample vascular to provide nutrition. However, excessive load can make histology structure changed, which loses supply of nutrition, and is fatigue injured.

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周继和,沙川华,刘祥,杨安,李雪.腕关节软骨盘的生物力学和组织学实验研究[J].医用生物力学,2009,24(2):130-133

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  • 收稿日期:2009-02-10
  • 最后修改日期:2009-02-25
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