V2EX parasympathetic nervous system

Parasympathetic Nervous System

定义 Definition

副交感神经系统:自主神经系统的一部分,主要在身体处于休息、放松与恢复时起作用,促进“休息与消化”(如减慢心率、促进消化、刺激唾液分泌、收缩瞳孔等)。也常与交感神经系统相对(后者更偏向“战斗或逃跑”)。

发音 IPA

/prsmpθtk nvs sstm/

例句 Examples

The parasympathetic nervous system helps your body relax after stress.
副交感神经系统会在压力过后帮助身体放松。

During meditation, the parasympathetic nervous system becomes more active, slowing the heart rate and supporting digestion.
在冥想过程中,副交感神经系统会变得更活跃,从而减慢心率并支持消化功能。

词源 Etymology

parasympatheticpara-(“旁、与……相关/辅助”)+ sympathetic(原指与“交感神经”相关)构成,用来表示与交感神经系统并列、相互配合的另一套自主神经调节系统;nervous system 意为“神经系统”。整体术语在生理学与医学语境中固定使用。

相关词 Relted Words

文学作品与著名文本 Literary Works

  • William James, The Principles of Psychology(讨论情绪与身体反应、神经系统调节等相关内容,常涉及自主神经系统框架)
  • Walter Cannon, Bodily Changes in Pain, Hunger, Fear and Rage(以“战或逃”反应闻名,相关章节常与交感/副交感调节对照理解)
  • Guyton & Hall, Textbook of Medical Physiology(经典生理学教材,系统讲解副交感神经系统的结构与功能)
  • Eric Kandel et al., Principles of Neural Science(神经科学权威教材,涵盖自主神经系统与相关神经递质机制)
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