V2EX cochlear nucleus

Cochlear Nucleus

定义 Definition

cochlear nucleus(耳蜗核):位于脑干的听觉通路早期中继与处理中心,接收来自耳蜗(经听神经/蜗神经传入)的声音信息,并对频率、强度与时间等特征进行初步分析;通常分为背侧耳蜗核腹侧耳蜗核。(该术语在不同语境下也可指这一核团复合体的整体。)

发音 Pronunciation (IPA)

/kklir nuklis/

例句 Examples

The cochlear nucleus receives signals from the auditory nerve.
耳蜗核接收来自听神经的信号。

Damage to the cochlear nucleus can disrupt sound localization and speech perception, even when the inner ear is intact.
即使内耳结构完好,耳蜗核受损也可能破坏声源定位与言语感知。

词源 Etymology

cochlear 来自拉丁语 cochlea,意为“蜗牛壳、螺旋”,引申为“耳蜗(呈螺旋形)”;nucleus 来自拉丁语 nucleus,原意为“坚果的核/中心”,在解剖学与神经科学中指“由神经元细胞体聚集形成的核团”。合起来即“与耳蜗输入相关的(脑干)核团”。

相关词 Related Words

文学与经典著作 Literary / Notable Works

  • Principles of Neural Science(Kandel 等):在听觉通路章节中讨论耳蜗核的分区与功能。
  • Neuroscience(Purves 等):介绍从耳蜗到耳蜗核再到上行听觉中枢的处理流程。
  • The Auditory System: An Introduction(Pickles):包含耳蜗核在听觉信息编码中的作用概述。
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