V2EX junctional complex

Junctional Complex

释义 Definition

junctional complex(细胞生物学/组织学)指细胞与细胞之间的连接结构复合体,通常位于上皮细胞的顶端侧域,常见组成包括紧密连接(tight junction)黏着连接(adherens junction),有时也连同桥粒(desmosome)一起被讨论,用于维持组织屏障、细胞极性与机械稳定性。(不同教材对其包含范围略有差异。)

发音 Pronunciation (IPA)

/dknl kmplks/

例句 Examples

The junctional complex helps epithelial cells form a tight barrier.
连接复合体帮助上皮细胞形成紧密的屏障。

Disruption of the junctional complex can impair cell polarity and increase tissue permeability, contributing to inflammation.
连接复合体受损会破坏细胞极性并增加组织通透性,从而促进炎症发生。

词源 Etymology

junctional 来自 junction(连接处、交汇处),源于拉丁语 jungere(连接、结合);加上形容词后缀 -al 表示“与连接有关的”。complex 来自拉丁语 complexus,意为“交织在一起的整体/复合体”。合起来字面意思就是“连接处的复合结构”。

相关词 Related Words

文学与著作 Literary Works

  • Molecular Biology of the Cell(Alberts 等):在上皮细胞连接与细胞极性章节中讨论相关结构与功能。
  • Junqueira’s Basic Histology:在上皮组织部分介绍上皮细胞间连接及其复合结构。
  • Histology: A Text and Atlas(Ross & Pawlina):在组织学章节中讲解细胞连接类型与“连接复合体/连接带”相关内容。
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