玻璃体同样发生机械性和退行性变化。
Similar mechanical and degenerative changes occur in the vitreous.
组观察到缓慢、可靠的椎间盘退行性变化。
Slow and progressive intervertebral disc degeneration was found in groups A and B.
老年大鼠甲状腺滤泡以及滤泡上皮细胞有显著退行性变化。
The thyroid follicular epithelials in the senile rats degenerated markedly.
自由基学说认为，人体随着年龄增大所发生的退行性变化是细胞正常代谢过程中所产生的过量自由基副作用的结果。
The free radical theory of aging indicated that cellular degeneration was resulted from the excessive free radical that produced in the process of normal cellular metabolism as growth.
方法采用美国HP5500及飞凡彩色多普勒超声诊断仪，观察166例老年退行性心脏瓣膜病患者的心脏结构及心功能变化。
Methods The cardiac structure and functional changes of the 166 cases of senile degenerative heart valvular diseases were studed with HP5500(USA) and En Visor color doppler(Philips).
同时，退行性腰椎滑脱患者腰背肌肌力下降，躯干肌肌力失衡导致腰椎曲度变化，进一步影响腰椎稳定性。
Meanwhile, the decrease of back muscles strength and unbalance of body muscles strength in degenerative spondylolisthesis patients induced abnormal lumbar curve to break down lumbar stability.
目的观察实验性膝关节退行性变模型一氧化氮（NO）、内皮素（ET）的变化及局部松解对其影响。
To observe experimentally NO and ET change of knee joint degeneration model and the effect of the local loosening therapy.
结论：退行性腰椎滑脱患者的关节突关节的形态变化是腰椎退行性变的结果而菲其病因。
Conclusion: The changes of lumbar facet joint morphology are results of lumber degeneration but not etiological factor.
目的：经ct对腰椎小关节退行性变进行扫描观察，总结病理变化。
Objective: to scan and observe the degenerative lumbar facet joints through computed tomography and sum up the pathological changes.
目的：经ct对腰椎小关节退行性变进行扫描观察，总结病理变化。
Objective: to scan and observe the degenerative lumbar facet joints through computed tomography and sum up the pathological changes.
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