结论丹参酮能够在抗心肌肥厚的同时通过减少钙内流、缩短动作电位时间,起到预防心律失常的作用。
ConclusionTanshinone not only reverses the myocardial hypertrophy, but also reduces calcium influx and shorten action potential duration which are beneficial to prevent arrhythmia.
方法:记录蟾蜍坐骨神经干动作电位和腓肠肌收缩曲线,测定低位运动中枢、神经-肌接头和骨骼肌出现疲劳的时间并加以比较。
Methods: By recording the action potential of sciatic trunk and contract curve of sural muscle of hoptoad, and checking the time of fatigue in nerve center, neuro-muscular junction and muscle.
方法:记录蟾蜍坐骨神经干动作电位和腓肠肌收缩曲线,测定低位运动中枢、神经肌接头、骨骼肌出现疲劳的时间并加以比较。
Methods: By recording the action potential of sciatic trunk and contract curve of sural muscle of hoptoad, and measuring the time of fatigue in nerve centre, neuro-muscular junction and muscle.
方法记录蟾蜍坐骨神经干动作电位和腓肠肌收缩曲线,测定低位运动中枢、神经-肌肉接头和骨骼肌出现疲劳的时间并加以比较。
Methods: the action potential of sciatic trunk and contract curve of sural muscle of hoptoad were recorded, and the time of fatigue in nerve center, neuro-muscular junction and muscle was checked.
以往对神经元电生理基本性质的研究中,发现了神经元产生动作电位具有多种不同排列组合的时间模式,也称为放电模式。
In the past study of basic electrophysiological properties of neurons it is found that action potentials have many types of timing pattern, which is also termed as firing pattern.
方法用不同的电刺激参数刺激坐骨神经干,测定引起的动作电位的幅度和传导速度分别衰减20%以及潜伏期延长20%时所需的时间。
The time required was investigated for the action potential to reduce its conduction velocity by 20% and to extend the latent period by 20% respectively.
结果:术后各时间点,同手法缝合侧相比,激光焊接吻合的神经传导速度快,动作电位幅值大,动作电位持续时间短。
Results:At each time point, compared with hand suture method, laser welding had the advantages of faster conducting speed, larger amplitude and shorter maintaining time of action potential.
目的分析培养神经元网络对不同时间间隔电脉冲刺激动作电位发放的影响。
Objective to analyze the activities of cultured neuronal network in response to electric pulses stimuli with different intervals.
这些结果表明具有各种时间结构的动作电位序列会在初级传入纤维与脊髓背角神经元之间进行突触传递。
These results indicate that spike trains with various temporal structures will be synaptically transmitted between primary afferent fiber and spinal dorsal horn neuron.
这些结果表明具有各种时间结构的动作电位序列会在初级传入纤维与脊髓背角神经元之间进行突触传递。
These results indicate that spike trains with various temporal structures will be synaptically transmitted between primary afferent fiber and spinal dorsal horn neuron.
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