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[躯体神经刺激时胸导管扩张的机制]

[Mechanism of dilatation of the thoracic duct upon stimulation of somatic nerves].

作者信息

Potapov I A

出版信息

Fiziol Zh SSSR Im I M Sechenova. 1979 Feb;65(2):299-305.

PMID:222627
Abstract

In acute experiments on 31 dogs, dilatation of the thoracic lymphatic duct on moderate (5--8 V) stimulation of afferents of the sciatic nerve and i. v. administration of noradrenaline (3--5 mcg/kg) was shown to be due to specific effects of excitation of the duct alpha-adrenoreceptors mainly. The alpha-adrenoreceptors seem to be represented in the thoracic duct in a much greater amount that the beta-adrenoreceptors. Stimulation of both types of the duct's adrenoreceptors leads to an increase in its capacity.

摘要

在对31只狗进行的急性实验中,发现对坐骨神经传入神经进行适度(5 - 8伏)刺激以及静脉注射去甲肾上腺素(3 - 5微克/千克)时,胸段淋巴管扩张主要是由于淋巴管α - 肾上腺素能受体兴奋的特定效应。胸段淋巴管中的α - 肾上腺素能受体数量似乎比β - 肾上腺素能受体多得多。刺激这两种类型的淋巴管肾上腺素能受体都会导致其容量增加。

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