摘要
实验采用电生理学方法,观察几种物质对蟾蜍坐骨神经干动作电位幅度及传导速度的影响.结果显示:1)与对照组相比,高渗KCl,NaCl,CaCl2,AlCl3溶液使动作电位幅度显著降低,传导速度显著减慢(P<0.05),呈时间依赖性;2)10%乙醇1、0%甲醇1、0%甲醛使动作电位幅度不同程度下降,传导速度显著减慢(P<0.05),呈时间依赖性;3)10%姜蒜汁处理神经干,动作电位幅度和传导速度也明显降低(P<0.05);4)20%葡萄糖使神经干动作电位幅度降低,传导速度显著减慢(P<0.05),呈时间依赖性;而10%葡萄糖使神经干动作电位幅度上升,传导速度加快(P<0.05).
The effects of difierent agents on action potentia1 of sciatic nerve in toad were tested with electrophysiological method.The results showed that：1） Compared with the control group,the amplitude and conductivity of AP were significantly reduced when the nerve was exposed to hypertonic safine at the concentration of 6.5 % in time-dependent;2） When exposing the nerve to 10 % alcohol,methanol and formaldehyde,the amplitude and conductivity of AP decreased;3） The amplitude and conductivity of AP slowed down with the exposure to 10 % ginger and garlic juice;4） Glucose at the concentration of 20 % made the amplitude and conductivity of AP slow down in a time dependent manner,while glucose at the concentration of 10 % showed different effects.The amplitude and conductivity of AP were elevated when exposuring the nerve to 10 % glucose.
出处
《太原师范学院学报（自然科学版）》
2010年第4期143-146,共4页
Journal of Taiyuan Normal University:Natural Science Edition
关键词
蟾蜍
动作电位
坐骨神经
toad
action potential
sciatic nerve
