V2EX lamellipodium

Lamellipodium

释义 Definition

lamellipodium(复数:lamellipodia)片状伪足/板状突起;细胞在移动或爬行时,细胞前缘形成的一种扁平、薄片状的突出结构,主要由肌动蛋白(actin)丝网络支撑,用于推动细胞前进、探测环境并形成黏附。

发音 Pronunciation (IPA)

/lmlpodim/

例句 Examples

The cell formed a lamellipodium and started to move forward.
细胞形成了片状伪足,并开始向前移动。

During wound healing, epithelial cells extend a broad lamellipodium that coordinates actin polymerization and adhesion to migrate across the gap.
在伤口愈合过程中,上皮细胞会伸出宽大的片状伪足,通过协调肌动蛋白聚合与黏附作用,迁移并覆盖缺口。

词源 Etymology

该词源自拉丁语/希腊语词根组合:lamella 意为“薄片、小板”,**-podium** 来自希腊语 *pous/pod-*(“脚”)。合起来字面意思接近“薄片状的脚”,形象描述细胞用于移动的“薄片形突出结构”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Molecular Biology of the Cell(Alberts 等,细胞生物学教材中常在“细胞迁移/肌动蛋白骨架”章节出现 lamellipodium/lamellipodia)
  • Cell Movements: From Molecules to Motility(Dennis Bray,讨论细胞运动机制时涉及 lamellipodia 的形成与功能)
  • 综述论文常见出处:Nature Reviews Molecular Cell BiologyJournal of Cell Biology(细胞迁移、前缘结构与肌动蛋白动态相关综述中频繁出现该词)
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