V2EX ion-channel

Ion-Channel

释义 Definition

离子通道:位于细胞膜上的一种蛋白质“通道/孔道”,让特定离子(如 Na、K、Ca、Cl)选择性通过,从而参与神经电信号传导、肌肉收缩、细胞稳态调节等过程。

例句 Examples

Ion channels control how ions move in and out of a cell.
离子通道控制离子如何进出细胞。

A mutation in an ion-channel gene can disrupt electrical signaling and lead to neurological disease.
离子通道基因的突变可能扰乱电信号传导,并导致神经系统疾病。

发音 Pronunciation (IPA)

/an tnl/

词源 Etymology

ion 来自希腊语 ν(“正在走/去的东西”,与“移动”相关),19 世纪由法拉第用于描述在电场中“移动”的带电粒子;channel 源自古法语 chanel,进一步追溯到拉丁语 canalis(“管道、沟渠”)。合起来 ion channel 字面意思就是“离子通过的通道”。

相关词 Related Words

文学与著作 Literary Works

  • Ion Channels of Excitable Membranes(Bertil Hille)
  • Principles of Neural Science(Eric R. Kandel 等)
  • Molecular Biology of the Cell(Bruce Alberts 等)
  • The Machinery of Life(David S. Goodsell)
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