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[贺兰山陆龟心脏神经传入活动的特征]

[Characteristics of the afferent activity of the cardiac nerves of Agrionemys horsfieldi turtles].

作者信息

Kamenskaia V N, Samonina G E, Udel'nov M G

出版信息

Zh Evol Biokhim Fiziol. 1977 Jan-Feb;13(1):24-30.

PMID:868375
Abstract

On the basis of changes in afferent impulsation emerging from the heart of the tortoise A. horsfieldi under various conditions of cardiac haemodynamics, it was shown that bursting activity of the superior cardiac nerves belongs to mechanoreceptors which are located in the ventricle and the adjacent arterial vessels. The discharge in these mechano-receptors coincides with ventricular systole. The second, predominant, type of afferentation is presented by irregular continued activity in both the superior and inferior vagal branches. The origin of this activity remains uncertain.

摘要

根据在不同心脏血液动力学条件下从霍氏陆龟心脏传出的冲动变化表明,心神经上支的爆发性活动属于位于心室和相邻动脉血管中的机械感受器。这些机械感受器的放电与心室收缩同步。第二种主要的传入类型表现为迷走神经上、下支的不规则持续活动。这种活动的起源尚不确定。

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