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本文采用微量静脉注射乳酸的方法．观察哺乳类动物对心血管活动的影响，探讨乳酸作用的机制和途径。实验结果显示，给犬静脉注射乳酸后，可使动脉血压明显升高，心率减慢，其作用机制是通过延国孤束核CI区心血管神经元的活动发生改变。l材料与方法1．工实验动物选用体重在15～1
This article uses a method of microinjection of lactic acid. Observe the effect of mammals on cardiovascular activity and explore the mechanism and approach of lactic acid action. The experimental results show that after intravenous injection of lactic acid to dogs, the arterial blood pressure can be significantly increased, and the heart rate is slowed down. The mechanism of action is that the activity of cardiovascular neurons in the CI area of solitary tract nucleus in Yanzhou changes. l Materials and Methods Laboratory animals choose body weight 15 to 1