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[脾神经传出冲动变化与脾脏阻力血管和容量血管反射反应之间的相关性]

[Correlation between changes in the efferent impulsation in the splenic nerve and reflex responses in the resistance and capacitance vessels of the spleen].

作者信息

Tkachenko B I, Vinogradova M I, Makovskaia V A

出版信息

Fiziol Zh SSSR Im I M Sechenova. 1975 Apr;61(4):585-92.

PMID:1213181
Abstract

In acute experiments on cats, administration of hexonium (2 mg/kg) abolishes constrictory responses of the spleen resistance vessels in pressory sinocarotid reflex while the constrictory and dilatory responses of the capacitance vessels are preserved. Simultaneously, the high amplitude (over 15 mcV) sympathetic discharge is abolished in the spleen nerves which suggests its connection with the resistance vessels' responses, and the low-amplitude (up to 15 mcV) discharges are preserved. The reflex changes of these discharges' frequency are correlated in direction with the reflex responses of the capacitance vessels.

摘要

在对猫进行的急性实验中,给予己铵(2毫克/千克)可消除压力性窦-颈动脉反射中脾阻力血管的收缩反应,而容量血管的收缩和舒张反应则得以保留。同时,脾神经中高幅度(超过15微伏)的交感神经放电被消除,这表明其与阻力血管的反应有关,而低幅度(高达15微伏)的放电则得以保留。这些放电频率的反射性变化在方向上与容量血管的反射反应相关。

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