V2EX exocytosis

Exocytosis

释义 Definition

胞吐作用 / 胞吐:细胞将囊泡与细胞膜融合,把囊泡内物质(如神经递质、激素、酶或废物)释放到细胞外的过程。常与内吞作用(endocytosis)相对。(该词在生物学中也可用于更广义的“分泌/外排”语境。)

发音 Pronunciation (IPA)

/ksosatoss/

例句 Examples

Cells use exocytosis to release proteins.
细胞通过胞吐作用释放蛋白质。

During synaptic transmission, exocytosis rapidly delivers neurotransmitters into the synaptic cleft, enabling signals to pass between neurons.
在突触传递过程中,胞吐作用会快速把神经递质释放到突触间隙,使神经元之间的信号得以传递。

词源 Etymology

来自科学新拉丁构词:**exo-**(“外、向外”)+ **cyt(o)-**(“细胞”)+ -osis(“过程、状态”)。字面含义就是“细胞向外的过程”,用于描述细胞把物质“外排/分泌”的机制。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Molecular Biology of the Cell(Alberts 等):在细胞膜运输章节系统讲解囊泡运输、胞吐与内吞。
  • Lehninger Principles of Biochemistry(Nelson & Cox):在膜运输与分泌途径中讨论胞吐相关机制。
  • Neuroscience(Purves 等):在突触传递部分描述神经递质通过胞吐释放的过程。
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