V2EX afference

Afference

定义 Definition

afference(名词,常用于神经科学/生理学):指传入中枢神经系统(CNS)的神经信号或通路,即来自感觉器官、皮肤、肌肉等的“输入”(传入性信息/传入冲动)。常与 efference(传出)对比使用。

发音 Pronunciation

/frns/

例句 Examples

Afference carries sensory information to the brain.
传入信号把感觉信息传到大脑。

During movement, the nervous system compares afference from muscles with expected signals to adjust posture.
在运动过程中,神经系统会将来自肌肉的传入信息与预期信号进行比较,以调整姿势。

词源 Etymology

来自拉丁语 afferre(“带来、携来”),由 ad-(向、到)+ ferre(携带)构成;后发展为表示“带入、传入”的学术用语,尤其用于描述神经信息朝向中枢的流动方向。

相关词 Related Words

文学与著作 Literary Works

  • The Integrative Action of the Nervous System(Charles S. Sherrington):在讨论反射与感觉输入时常涉及传入(afferent/afference)概念。
  • Principles of Neural Science(Eric R. Kandel 等):神经科学经典教材中用于描述感觉通路与中枢处理的“传入”信息。
  • Gray’s Anatomy(《格雷氏解剖学》):在神经系统章节中常以传入/传出通路框架介绍感觉与运动联系。
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