V2EX vesicle

Vesicle

定义 Definition

n. 生物学和医学中的“小囊泡;小泡”,通常指由膜包围、内部含有液体或分子的微小结构。在细胞中,囊泡常用于运输、储存或释放蛋白质、脂质和信号分子;在医学中,也可指皮肤或黏膜上的小水疱。学习细胞生物学时,它常出现在内吞、胞吐、高尔基体运输和神经递质释放等语境中。

发音 Pronunciation

/vskl/

例句 Examples

A vesicle carries molecules inside the cell.
囊泡在细胞内运输分子。

When a nerve signal reaches the synapse, vesicles can fuse with the cell membrane and release neurotransmitters.
当神经信号到达突触时,囊泡可以与细胞膜融合并释放神经递质。

词源 Etymology

来自拉丁语 vesicula,意为“小囊、小袋”,是 vesica(膀胱、囊状结构)的指小形式。这个词后来进入医学和生物学,用来描述各种小而封闭的囊状结构。

相关词 Related Words

科学文献用例 Scientific Usage

  • 细胞生物学教材中常用来说明细胞内膜系统、物质运输和膜融合过程。
  • 神经科学文献中常见于描述突触小泡储存并释放神经递质的机制。
  • 医学和皮肤病学资料中可用于描述皮肤或黏膜表面充满液体的小水疱。
  • 分子生物学和生物化学研究中常用于讨论细胞分泌、内吞作用和细胞器之间的运输。
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