V2EX medial geniculate body

Medial Geniculate Body

定义 Definition

内侧膝状体(medial geniculate body, MGB):位于丘脑的一个感觉中继核团,是听觉通路中的关键站点,主要负责将来自下丘(inferior colliculus)等结构的听觉信息进一步处理并转发到听觉皮层(尤其是颞叶的初级听觉皮层)。

发音 Pronunciation (IPA)

/midil dnkjlet bdi/

例句 Examples

The medial geniculate body relays auditory signals to the auditory cortex.
内侧膝状体将听觉信号中继到听觉皮层。

In experiments, lesions of the medial geniculate body can disrupt sound discrimination even when the ear and brainstem pathways remain intact.
在实验中,即使耳和脑干通路仍然完好,内侧膝状体的损伤也可能破坏对声音的辨别能力。

词源 Etymology

medial 意为“内侧的”;geniculate 来自拉丁语词根,原意与“膝/膝状弯曲”相关,用来描述该结构外形类似“膝状的隆起”;body 在解剖学里常指“体/结构体”。合起来,“medial geniculte body”字面意思是“内侧的膝状体”,对应丘脑中一个形态与位置都具有特征的核团结构。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Principles of Neural Science(Eric R. Kandel 等)
  • Neuroscience(Dale Purves 等)
  • Gray’s AnatomyGray’s Anatomy: The Anatomical Basis of Clinical Practice
  • The Human Brain: An Introduction to Its Functional Anatomy(John Nolte)
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