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兴奋在神经纤维上的传导 - 深度交互版 V12
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兴奋在神经纤维上的传导

人教版高中生物必修三 · 深度交互演示

1

神经表面电位差实验

宏观现象
Galvanometer 0
演示进度 0%

实验现象解析

准备就绪。请点击“单次刺激”或“持续刺激”开始观察。

2

产生与传导微观机制

微观原理
K+ (钾)
Na+ (钠)

静息状态 膜主要对K+有通透性，K+顺浓度梯度外流，导致膜外正电荷聚集，膜内负电荷聚集。

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BioVlab 高中生物虚拟实验室 | 制作：佚名©版权所有，侵权必究

杨学东名师工作室

累计访问实验室次数:次

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