V2EX zonula adherens

Zonula Adherens

释义 Definition

Zonula adherens(常译黏着带/黏附带)是上皮细胞等细胞在侧膜上形成的一种带状细胞间连接(adherens junction),通常位于紧密连接(tight junction)下方,通过钙黏蛋白(cadherins)连环蛋白(catenins)等分子与细胞骨架中的肌动蛋白(actin)相连,帮助细胞彼此黏附并维持组织结构与形态。(该术语也常被更通用的 adherens junction 所替代;在某些语境下与 zonula occludens 等一起描述“连接复合体”。)

发音 Pronunciation (IPA)

/zonjl dhrns/

例句 Examples

The zonula adherens helps epithelial cells stick together.
黏着带帮助上皮细胞彼此黏附在一起。

During morphogenesis, remodeling of the zonula adherens can change tissue shape by coordinating actin dynamics across neighboring cells.
在形态发生过程中,黏着带的重塑可通过协调相邻细胞间的肌动蛋白动态来改变组织形状。

词源 Etymology

zonula 源自拉丁语 zona(“带、腰带”)的指小形式,意为“小带状结构”;adherens 源自拉丁语 adhaerēre(“黏附、附着”)。合起来字面义就是“用于黏附的带状结构”,与其在细胞膜上呈环带样分布的形态相呼应。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Molecular Biology of the Cell(Alberts 等):在细胞连接章节中讨论黏着连接及其与肌动蛋白骨架的关系,常提及带状分布的黏着结构。
  • Junqueira’s Basic Histology(Junqueira 等):在上皮组织与细胞连接内容中介绍连接复合体,包含黏着带相关术语。
  • Robbins and Cotran Pathologic Basis of Disease:在肿瘤侵袭/转移与细胞黏附分子相关内容中涉及黏着连接体系(如钙黏蛋白)及其病理意义。
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