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[对弱变化磁场和运动不足联合作用的几种适应机制]

[Several mechanisms of adaptation to combined action of weak varying magnetic fields and hypokinesia].

作者信息

Temur'iants N A

出版信息

Aviakosm Ekolog Med. 1995;29(6):49-54.

PMID:8664889
Abstract

The nervous and humoral mechanisms of an adaptation to the combined effect of hypokinesia and varying magnetic fields of the 8 Hz frequency and 5 Ts induction have been studied in the experiments performed on 2330 white inbred male rats characterized by the moderate motor activity and low emotional excitability determined on the basis of the "open field" test. It is found that under these conditions the stress reaction to reduced motor activity is not developed. There have been revealed some mechanisms of the combined effect of hypokinesia and weak varying magnetic fields: increased CNS inhibition processes, decreased anxiety level, modulated hypothalamic functional activity, epinephrine accumulation in the red blood cells, synchronization of diuresis with the processes of urinary excretion of epinephrine and norepinephrine, elevated epinephrine excretion.

摘要

在对2330只白色近交雄性大鼠进行的实验中,研究了适应运动减少以及8赫兹频率和5特斯拉感应强度的变化磁场联合作用的神经和体液机制。这些大鼠基于“旷场”试验表现出适度的运动活性和低情绪兴奋性。研究发现,在这些条件下,对运动活性降低的应激反应并未产生。已揭示出运动减少和弱变化磁场联合作用的一些机制:中枢神经系统抑制过程增强、焦虑水平降低、下丘脑功能活动受到调节、红细胞中肾上腺素积累、利尿与肾上腺素和去甲肾上腺素的尿排泄过程同步、肾上腺素排泄增加。

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