扩张左心房的一个腔室对心率的影响。
The effect of distending a pouch of the left atrium on the heart rate.
作者信息
Ledsome J R, Linden R J
出版信息
J Physiol. 1967 Nov;193(1):121-9. doi: 10.1113/jphysiol.1967.sp008346.
Abstract
- A pouch has been prepared consisting of a part of the wall of the left atrium together with the left pulmonary vein-atrial junctions.2. An increase of perfusion pressure in the pouch caused a reflex increase in heart rate.3. The afferent path of the reflex was in the vagus nerves and the efferent path was in the sympathetic nerves.4. The receptors most likely to be stimulated by an increase in pressure in the pouch are those receptors situated in the subendocardium of the pulmonary vein-left atrial junctions.
摘要
已制备出一个囊袋，它由左心房壁的一部分以及左肺静脉-心房连接处组成。
囊袋内灌注压力的增加导致心率反射性增加。
该反射的传入路径在迷走神经中，传出路径在交感神经中。
最有可能因囊袋内压力增加而受到刺激的感受器是位于肺静脉-左心房连接处心内膜下的那些感受器。
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