V2EX chemoreceptor

Chemoreceptor

释义 Definition

化学感受器:一种能检测体内或外界化学物质浓度变化(如氧气、二氧化碳、pH、气味分子等),并将信息转化为神经信号的感觉受体。常见于颈动脉体、主动脉体(监测血气)以及嗅觉系统等。

发音 Pronunciation (IPA)

/kimorsptr/

例句 Examples

Chemoreceptors help your body sense changes in oxygen and carbon dioxide.
化学感受器帮助你的身体感知氧气和二氧化碳的变化。

When blood CO rises, chemoreceptors trigger a reflex that increases breathing to restore normal pH.
当血液中的二氧化碳升高时,化学感受器会触发反射性反应,加快呼吸以恢复正常的酸碱度。

词源 Etymology

由 **chemo-**(与“化学”相关,源自希腊语 khēmeia 等词根传统)+ receptor(“受体/接受者”,源自拉丁语 recipere,意为“接收”)构成,字面意思就是“接收化学信息的受体”。

相关词 Related Words

文学与著作中的用例 Literary 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》)
  • Respiratory Physiology: The Essentials(West,《呼吸生理学:要点》)
  • Ganong’s Review of Medical Physiology(《甘农医学生理学》)
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