V2EX astrocyte

Astrocyte

释义 Definition

星形胶质细胞:中枢神经系统(大脑和脊髓)中的一种胶质细胞,形状呈星状。它主要负责支持和营养神经元、维持脑内化学环境稳定、参与血脑屏障、调节突触活动,并在损伤修复与炎症反应中发挥作用。(也可泛指相关的胶质细胞类型;在神经科学语境中最常用此义。)

发音 Pronunciation (IPA)

/strosat/

例句 Examples

Astrocytes support neurons and help keep the brain’s environment stable.
星形胶质细胞支持神经元,并帮助维持大脑环境的稳定。

Researchers found that astrocytes can modulate synaptic signaling, influencing how neural circuits adapt during learning.
研究人员发现,星形胶质细胞能够调节突触信号,从而影响神经回路在学习过程中如何适应与改变。

词源 Etymology

astrocyte 来自 **astro-**(“星”,源自希腊语 astron)+ -cyte(“细胞”,源自希腊语 kytos,意为“容器/细胞”)。字面意思就是“星状的细胞”,对应其典型形态特征。该术语在现代神经解剖学与神经病理学发展过程中被规范化,用于区分不同类型的胶质细胞。

相关词 Related Words

文学作品与著名文本 Literary Works

  • Principles of Neural Science(Eric R. Kandel 等):在讨论胶质细胞与突触传递、神经回路功能时频繁出现 astrocyte
  • Neuroscience(Dale Purves 等):在神经胶质细胞章节与血脑屏障相关内容中使用 astrocyte
  • Greenfield’s Neuropathology(权威神经病理学参考书):在脑损伤、胶质反应(如胶质增生/瘢痕)等语境中出现 astrocyte
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