| 大鼠舌下神经超微结构的衰老变化 |
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| 引用本文： | 刘建康 张邻康. 大鼠舌下神经超微结构的衰老变化[J]. 徐州医学院学报, 1992, 12(1): 19-22,T002 |
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| 作者姓名： | 刘建康 张邻康 |
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| 作者单位： | 徐州医学院组织胚胎学教研室(刘建康),徐州医学院图书馆(张邻康) |
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| 摘 要： | ![]()
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| 关 键 词： | 衰老 舌下神经 超微结构 大鼠 |
AGE-RELATED ULTRASTRUCTURAL CHANGES OF HYPOGLOSSAL NERVE IN RATS |
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| Liu Jiankang and Zhang Linkang. AGE-RELATED ULTRASTRUCTURAL CHANGES OF HYPOGLOSSAL NERVE IN RATS[J]. Acta Academiae Medicinae Xuzhou, 1992, 12(1): 19-22,T002 |
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| Authors: | Liu Jiankang and Zhang Linkang |
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| Abstract: | ![]()
The ultrastructural changes of the hypoglossal nerve were studied in rats to investigate the relationship between the morphological changes of the nerve and the decrease of velocity of retrograde axonal transport with aging. It was observed that the microfilaments in the axon of hypoglossal nerve increased in number and their "side-arms" were gradaually lost while the number of microtubules decreased. Ar the same time, the mitochondria in axon swelled and the electron density of mitochondrial stroma became lower, the number of smooth endoplasmic reticulum increased and autophago-cytic vacuoles appeared. These findings provide a morphological basis to explain the decrease of velocity of retrograde axonal transport with aging. In addition, the early signs of demyelination were also found in the axon. |
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| Keywords: | aging hypoglossal nerve ultrastructure rats |
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