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[运动不足大鼠端脑有髓纤维的超微结构]

[The ultrastructure of the myelinated fibers of the rat endbrain in hypokinesia].

作者信息

Zhvaniia M G, Kakabadze I M

出版信息

Morfologiia. 1994 Apr-Jun;106(4-6):46-55.

PMID:8718635
Abstract

Myelin fibres structure in phylogenetically different regions of telencephalon--in hippocampus, cingular cortex and sensomotor cortex of cerebrum of rats, in hypokinesia lasting for 40 and 90 days was studied electron-microscopically. Changes in ultrastructure of myelin fibres in these formations were found which exposed unequally in different regions and depended on the experiment duration. In 40 days hypokinezia changes were noted only in hippocampus and cingular cortex, while in neocortex they were prominent only in 90-days hypokinisia. Moreover, in neocortex changes were different in large and fine fibres, being more prominent in the former.

摘要

用电镜研究了端脑系统发育不同区域(大鼠大脑海马、扣带回皮质和感觉运动皮质)在持续40天和90天的运动功能减退情况下的髓鞘纤维结构。发现这些结构中髓鞘纤维超微结构的变化在不同区域表现不同,且取决于实验持续时间。在40天的运动功能减退中,变化仅见于海马和扣带回皮质,而在新皮质中,变化仅在90天的运动功能减退中较为明显。此外,新皮质中粗纤维和细纤维的变化不同,前者更为明显。

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