V2EX conduction velocity

Conduction Velocity

释义 Definition

传导速度:指电信号在组织中传播的速度,常用于神经生理学与心脏电生理学中,表示动作电位沿着神经纤维或心肌传导系统传播的快慢(常用单位如 m/s)。在不同语境下也可泛指电流/热量在材料中的“传导”相关速度,但最常见用法是生物电信号传导。

发音 Pronunciation (IPA)

/kndkn vlsti/

例句 Examples

Conduction velocity increases with myelination.
髓鞘化会提高传导速度。

Reduced conduction velocity can indicate demyelination or nerve damage, especially in peripheral neuropathies.
传导速度降低可能提示脱髓鞘或神经损伤,尤其常见于周围神经病变。

词源 Etymology

conduction 来自拉丁语 conducere(“引导、带领一起”),在科学语境中引申为“传导(热/电/信号)”;velocity 来自拉丁语 velocitas(“速度、迅速”)。两者组合成术语,字面意思就是“传导的速度”,在医学与生物学中固定指神经/心肌电信号传播速度。

相关词 Related Words

文学与著作 Literary & Notable Works

  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》)
  • Principles of Neural Science(Kandel 等,《神经科学原理》)
  • Ganong’s Review of Medical Physiology(《甘农医学生理学》)
  • Campbell Biology(《坎贝尔生物学》在神经系统相关章节常讨论传导速度与髓鞘化)
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