[皮肤热感受器功能特性的调节]。

T V Kozyreva
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引用次数: 12

摘要

皮肤冷感受器的特性是存在静态和动态活动,在任何皮肤温度下都有最大值。除了这些共同的特性外,在感受器的功能温度范围、静态和动态活动的频率、皮肤上敏感感受器的浓度等方面也存在一些差异。这些差异的机制尚不清楚。研究发现,皮肤冷感受器的功能特征在个体生命中是可以改变的。随着机体对寒冷的适应和血液中去甲肾上腺素浓度的升高,一些静态和动态活性参数以及冷受体功能的浓度发生变化。皮肤热感受器发生适应性改变的原因可能是随着对寒冷的适应,其对去甲肾上腺素的敏感性增加。可以推测,生物活性物质对皮肤热感受器活性和敏感性的形成具有重要的调节作用。
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[The modulation of the functional properties of the skin thermoreceptors].

The characteristic property of skin cold receptors is the presence of static and dynamic activity with their maximum at any skin temperature. Parallel with the common properties there are some differences in the temperature range of receptors' functioning, frequency of static and dynamic activity, concentration of sensitive receptors on the skin. Mechanisms of these differences are unknown. It is found that the character of skin cold receptors functioning can be changed in individual life of the organism. Some parameters of static and dynamic activity as well as concentration of cold receptors functioning change both with adaptation of the organism to cold and with a rise of the noradrenaline concentration in blood. The reason of adaptive modifications of skin thermoreceptors may be an increase of their sensitivity to noradrenaline observed with adaptation to cold. It can be supposed that the modulating influence of biological active substances is very important in forming activity and sensitivity of skin thermoreceptors.

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