V2EX tectum

Tectum

定义 Definition

tectum(名词)主要指中脑的“顶盖”,位于中脑背侧,包含与视觉、听觉反射相关的重要结构(如上丘、下丘)。在其他学科里也可指“覆盖层/顶层”(如某些生物结构的外覆层),但最常见用法见于神经解剖学。

发音 Pronunciation

/tktm/

词源 Etymology

源自拉丁语 tectum,意为“屋顶、覆盖物”,来自动词 tegere(“覆盖”)。在解剖学中借用“屋顶/顶盖”的意象来命名中脑背侧的“覆盖”部分,即 tectum

例句 Examples

The superior colliculus is part of the tectum.
上丘是中脑顶盖(tectum)的一部分。

Damage to the midbrain tectum can disrupt reflexive responses to visual and auditory stimuli.
中脑顶盖受损可能会干扰对视觉与听觉刺激的反射性反应。

相关词 Related Words

文学与著作 Notable Works

  • Principles of Neural Science(《神经科学原理》,Kandel 等):在视觉/听觉通路与中脑结构章节中讨论 tectum(尤其与上丘、下丘相关)。
  • Gray’s Anatomy(《格雷氏解剖学》):在中脑解剖与神经通路部分使用 tectum 一词。
  • Neuroscience(Purves 等教材):在感觉系统与反射通路的介绍中提及中脑顶盖 tectum
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