V2EX pinocytosis

Pinocytosis

释义 Definition

胞饮作用 / 胞饮:一种细胞内吞方式,细胞膜向内凹陷形成小囊泡,把细胞外液及其中溶解的物质“喝”进细胞内。常见于许多动物细胞;属于内吞作用的一种。(另有相关但不同的:吞噬作用 phagocytosis。)

发音 Pronunciation

/pn.o.sato.ss/

例句 Examples

Cells take up dissolved nutrients by pinocytosis.
细胞通过胞饮作用摄取溶解的营养物质。

In vascular endothelial cells, pinocytosis helps transport plasma proteins across the cell layer.
在血管内皮细胞中,胞饮作用有助于将血浆蛋白运输穿过细胞层。

词源 Etymology

pinocytosis 来自希腊语词根:**pino-**(意为“喝”)+ **cyto-**(细胞)+ -osis(过程、状态),字面意思可理解为“细胞的饮入过程”,用来对比“吞噬”更偏向“吃固体颗粒”的摄取方式。

相关词 Related Words

文学作品中的用例 Literary Works

该词主要属于现代细胞生物学/医学术语,在传统文学经典中较少出现;更常见于学术著作与教材,例如:

  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Campbell Biology(《坎贝尔生物学》)
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
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