V2EX somatic nervous system

Somatic Nervous System

释义 Definition

躯体神经系统:周围神经系统的一部分,主要负责把感觉信息从皮肤、肌肉和关节传入中枢神经系统,并将运动指令传出以控制骨骼肌的随意运动(也参与一些反射活动)。日常对比中常与“自主神经系统(autonomic nervous system)”相对。

发音 Pronunciation (IPA)

/somtk nrvs sstm/

例句 Examples

The somatic nervous system controls voluntary movement.
躯体神经系统控制随意运动。

When you touch a hot pan, sensory signals travel through the somatic nervous system to the spinal cord, which can trigger a rapid reflex before you consciously feel pain.
当你碰到烫的锅时,感觉信号会通过躯体神经系统传到脊髓,甚至可能在你清楚感到疼痛之前就触发快速反射。

词源 Etymology

somatic 来自希腊语 sōma(σμα,“身体”),表示“与身体相关的”。nervous system 意为“神经系统”。合起来强调:这一系统主要与身体(尤其是骨骼肌与体表感觉)的觉与运动控制有关。

相关词 Related Words

文学与著作 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》):在神经解剖章节中讨论躯体与自主神经系统的区分与通路。
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》):在运动控制、反射与周围神经部分常出现该术语。
  • Principles of Neural Science(《神经科学原理》,Kandel 等):在感觉-运动系统、周围神经与反射机制相关章节使用该术语。
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