V2EX neurofilament

Neurofilament

定义 Definition

neurofilament(神经丝/神经丝蛋白纤维):神经元细胞骨架的一种中间丝成分,主要存在于轴突中,帮助维持神经元形态、支持轴突结构并影响轴突直径与神经传导速度。临床与研究中,某些神经丝成分(如 neurofilament light chain, NfL)也常用作神经损伤或神经退行性疾病的生物标志物。

发音 Pronunciation (IPA)

/nroflmnt/

例句 Examples

Neurofilaments help keep nerve cells strong.
神经丝帮助维持神经细胞的结构强度。

Elevated neurofilament levels in blood can indicate ongoing damage to neurons in neurodegenerative disease.
血液中神经丝水平升高,可能提示神经退行性疾病中神经元正在持续受损。

词源 Etymology

neuro- 来自希腊语 neuron(“神经”),filament 来自拉丁语 filum(“线、细丝”)。合起来字面意思是“神经的细丝”,对应其在神经元内呈丝状、起支撑作用的结构特征。

相关词 Related Words

文献与著作 Literary Works / Notable Works

  • Molecular Biology of the Cell(Alberts 等):在细胞骨架章节中讨论中间丝及其在不同细胞类型中的代表(包括神经丝)。
  • Neuroscience(Purves 等):在神经元结构与轴突生物学相关内容中提及神经丝与轴突直径、传导特性。
  • Nature Reviews Neurology(综述文章多次出现):常将 neurofilament(尤其 NfL)作为神经退行性疾病与神经炎症研究中的体液标志物进行讨论。
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