V2EX bioelectricity

Bioelectricity

定义 Definition

生物电:指生物体(如神经、肌肉、心脏等组织)由于离子在细胞膜两侧分布与流动而产生的电现象与电信号,例如静息电位、动作电位以及神经冲动。

发音 Pronunciation

/baolktrsti/

例句 Examples

Bioelectricity helps nerves send signals quickly through the body.
生物电帮助神经在全身快速传递信号。

Scientists study bioelectricity to understand how the brain and heart coordinate complex activity, and to develop medical devices that can restore lost function.
科学家研究生物电,以理解大脑与心脏如何协调复杂活动,并开发可恢复失去功能的医疗设备。

词源 Etymology

由 **bio-**(表示“生命、与生物有关”,源自希腊语 bios “生命”)+ electricity(“电”,与希腊语 ēlektron “琥珀”相关;古人发现琥珀摩擦后会产生静电现象)组合而成,字面意思就是“生物体的电”。

相关词 Related Words

文学与著作 Literary Works

  • **Mary Shelley, Frankenstein (1818)**:作品以“生命被电与科学力量唤醒”的时代想象为背景,常被用于讨论与生物电相关的早期科学观念(文本中更常见的是“electricity”等词,而非现代术语“bioelectricity”)。
  • Luigi Galvani 相关论文(18世纪):如 De viribus electricitatis in motu musculari commentarius(1791),讨论“动物电”(animal electricity),是现代“生物电”概念的重要思想源头(术语表达与现代用词可能不同)。
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