V2EX habenula

Habenula

定义 Definition

habenula(解剖/神经科学)指缰核:位于丘脑上方的上丘脑(epithalamus)区域的一对小型神经核团,参与奖赏与厌恶、动机、情绪调节等过程,并与多巴胺、5-羟色胺等神经调质系统有重要联系。

发音 Pronunciation

/hbn.j.l/

例句 Examples

The habenula helps the brain respond to disappointment.
缰核帮助大脑对失望等负性结果作出反应。

Researchers found that abnormal activity in the habenula may be linked to depression and altered reward processing.
研究人员发现,缰核活动异常可能与抑郁以及奖赏处理方式的改变有关。

词源 Etymology

来自拉丁语 habenula,是 habena(“缰绳、缰索”)的指小形式,原意类似“小缰绳”。在解剖学中用来描述形态或连接结构,后来也用于命名脑内的相关核团(缰核)。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Principles of Neural Science(Eric R. Kandel 等):在情绪、奖赏与调质系统章节中讨论缰核相关通路。
  • The Rat Brain in Stereotaxic Coordinates(Paxinos & Watson):在脑区图谱与命名中标注并描述缰核位置。
  • Gray’s Anatomy(《格雷解剖学》):在中枢神经系统解剖相关内容中涉及上丘脑结构(包括缰核)。
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