V2EX superior colliculus

Superior Colliculus

释义 Definition(中文)

上丘:位于中脑背侧(四叠体/顶盖 tectum)的一对隆起结构,主要参与视觉信息的整合反射性定向行为(例如把眼睛、头部快速转向突然出现的刺激),也与扫视(saccade)等眼动控制有关。(注:相关结构还包括负责听觉定向的下丘 inferior colliculus。)

发音 Pronunciation(IPA)

/suprir klkjls/

例句 Examples

The superior colliculus helps you quickly look toward a sudden flash of light.
上丘帮助你在突然出现闪光时迅速把视线转过去。

Researchers recorded neural activity in the superior colliculus to study how the brain selects targets for saccadic eye movements.
研究人员记录了上丘的神经活动,以研究大脑如何为扫视性眼动选择目标。

词源 Etymology(中文)

superior 来自拉丁语,意为“更高的、上方的”;colliculus 来自拉丁语 colliculuscollis “小山、丘” 的指小形式),字面意思接近“上方的小丘”在解剖学中常用这种“方位词 + 形态词”来命名结构。

相关词 Related Words

文学与典籍 Literary Works(出现示例)

  • Principles of Neural Science(Eric R. Kandel 等)
  • Neuroscience(Dale Purves 等)
  • Gray’s Anatomy(Henry Gray;各版本对中脑顶盖/上丘有解剖描述)
  • The Rat Brain in Stereotaxic Coordinates(Paxinos & Watson;实验神经解剖中常提及上丘定位)
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