V2EX microfilament

Microfilament

释义 Definition

微丝:细胞骨架(cytoskeleton)的一种细而柔韧的纤维结构,主要由肌动蛋白(actin)聚合形成,参与细胞形状维持、细胞运动、胞质分裂、肌肉收缩等过程。(在不同学科语境中也可能泛指“极细的丝状结构”,但最常见用法指细胞生物学中的微丝。)

发音 Pronunciation

/makroflmnt/

例句 Examples

The microfilament network helps the cell keep its shape.
微丝网络帮助细胞保持形状。

During cell division, microfilaments form a contractile ring that pinches the cell into two daughter cells.
在细胞分裂过程中,微丝形成收缩环,把细胞“勒”成两个子细胞。

词源 Etymology

micro- 表示“微小的”,filament 意为“细丝、丝状物”,源自拉丁语 filum(线、丝)。合起来字面意思是“微小的丝状结构”,后来在细胞生物学中专指由肌动蛋白构成的细胞骨架纤维微丝

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等):在细胞骨架章节中系统讨论 microfilament(微丝)与肌动蛋白动态。
  • Campbell Biology:在“细胞结构与功能/细胞骨架”部分介绍 microfilaments 的组成与功能。
  • Essential Cell Biology(Alberts 等):以入门方式讲解 microfilament、microtubule 与 intermediate filament 的对比。
  • The Cell: A Molecular Approach(Cooper):在细胞运动与细胞分裂相关章节中频繁使用 microfilament 术语。
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