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兴奋性的名词解释

更新时间: 2020-07-04 00:00:00     

兴奋性:是指可兴奋组织或细胞受到刺激时发生兴奋反应、动作电位的能力或特性。生物体与环境的关系不仅表现在物质和能量代谢方面,还表现在当环境条件发生变化时能引起机体活动的改变,由此生物体不断主动地适应环境得以生存。

生理学中常将神经细胞、肌细胞和部分腺细胞这些能够产生电位的细胞称为可兴奋细胞,即excitablecell。

关键词: 兴奋 名词 解释

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