成年水生绿红东美螈心率的自主控制。
Autonomic control of heart rate in the adult, aquatic Notophthalmus viridescens viridescens.
作者信息
Pitkin R B, Bonnet K M
机构信息
Biology Department, Allegheny College, Meadville, PA 16335.
出版信息
Comp Biochem Physiol C Comp Pharmacol Toxicol. 1990;96(1):147-9. doi: 10.1016/0742-8413(90)90060-m.
PMID:1980871
Abstract
- We investigated the role of the autonomic nervous system in the control of the heart rate using an isolated heart preparation. 2. Addition of the parasympathetic blocker, atropine, to the organ bath resulted in an increase in heart rate as expected. 3. Addition of the sympathetic blocker, ergotamine, to the organ bath showed no change in the heart rate. 4. Addition of the sympathetic blocker, propranolol, to the organ bath resulted in the expected decrease in heart rate. 5. Both the sympathetic and parasympathetic nervous systems appear to play a role in the control of the heart rate.
摘要
- 我们使用离体心脏标本研究了自主神经系统在心率控制中的作用。2. 如预期的那样，向器官浴槽中添加副交感神经阻滞剂阿托品会导致心率增加。3. 向器官浴槽中添加交感神经阻滞剂麦角胺后，心率没有变化。4. 向器官浴槽中添加交感神经阻滞剂普萘洛尔会导致心率如预期那样下降。5. 交感神经系统和副交感神经系统似乎都在心率控制中发挥作用。
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