V2EX geniculate body

Geniculate Body

定义 Definition

geniculate body(膝状体)是丘脑后部的一个“中继站”结构,因形状像弯曲的膝盖而得名。常指两部分:

  • lateral geniculate body / nucleus(外侧膝状体):主要参与视觉通路,把视网膜来的信息中继到视觉皮层。
  • medial geniculate body / nucleus(内侧膝状体):主要参与听觉通路,把信息中继到听觉皮层。
    (在现代解剖与神经科学中也常用 geniculate nucleus 表达同一结构。)

例句 Examples

The lateral geniculate body relays visual signals to the cortex.
外侧膝状体将视觉信号中继到大脑皮层。

Damage to the geniculate body can disrupt sensory processing, affecting vision or hearing depending on which part is involved.
膝状体受损会干扰感觉信息处理;受累部位不同,可能影响视力或听觉。

发音 Pronunciation (IPA)

/dnkjlet bdi/

词源 Etymology

geniculate 源自拉丁语 genu(“膝、膝盖”),带有“呈膝状弯曲”的意思;body 在解剖学里常指一个“结构体/团块”。因此geniculate body 直译可理解为“膝状的结构体”,对应其外形特征。

相关词 Related Words

文学与经典著作出现 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》)
  • Principles of Neural Science(Kandel 等,《神经科学原理》)
  • Neuroscience(Purves 等,《神经科学》)
  • The Human Brain: An Introduction to Its Functional Anatomy(Nolte,《人脑:功能解剖学导论》)
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