V2EX desmosome

Desmosome

释义 Definition

桥粒(也称“黏着斑”):一种细胞间连接结构,主要存在于上皮组织和心肌组织中,通过连接相邻细胞的中间丝(如角蛋白),帮助组织抵抗拉伸与机械压力,增强结构稳定性。(该词在生物学语境下使用;在口语中很少出现。)

发音 Pronunciation

/dzmsom/

例句 Examples

Desmosomes hold skin cells together so the tissue doesn’t tear easily.
桥粒把皮肤细胞牢牢连接在一起,使组织不容易被撕裂。

In cardiac muscle, desmosomes work alongside other junctions to maintain strong cell-to-cell adhesion during repeated contractions.
在心肌中,桥粒与其他连接结构协同作用,在反复收缩时维持牢固的细胞间黏附。

词源 Etymology

desmosome 来自希腊语词根:desmos(“束缚、带子、连接”)+ -soma(“身体、结构”)。合起来字面含义接近“用于连接的结构体”,对应其“把细胞牢固系在一起”的功能。

相关词 Related Words

文学作品用例 Literary Works

  • 《Molecular Biology of the Cell》(《细胞的分子生物学》, Alberts 等):在“细胞连接/细胞黏附”相关章节中讨论 desmosome 作为关键细胞连接类型之一。
  • 《Junqueira’s Basic Histology》(《Junqueira 基础组织学》):在上皮与结缔组织章节中介绍桥粒的结构与功能,并以 desmosome 为标准术语出现。
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