V2EX vasoconstrictor

Vasoconstrictor

发音 Pronunciation

/vezoknstrktr/

释义 Definition

使血管收缩的物质或药物,通常用于升高血压或减少局部出血。

例句 Examples

The doctor prescribed a vasoconstrictor to raise her blood pressure.
医生开了一种血管收缩剂来升高她的血压。

Caffeine acts as a mild vasoconstrictor, which is why it can sometimes help relieve headaches caused by dilated blood vessels.
咖啡因是一种温和的血管收缩剂,这就是为什么它有时能缓解因血管扩张引起的头痛。

词源 Etymology

该词由拉丁语词根组合而成。vaso- 来自拉丁语 vas,意为"管、容器",在医学中专指血管;constrictor 来自拉丁语 constringere,意为"束紧、收缩",由 **con-**(一起)和 stringere(拉紧)构成。整个词的字面意思即"使血管收紧的东西"。该词在19世纪随着现代生理学和药理学的发展而进入英语。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

  • 在 Arthur C. Guyton 的经典医学教材 Textbook of Medical Physiology 中,vasoconstrictor 被广泛用于讨论交感神经系统对血管张力的调控机制。
  • 在 Aldous Huxley 的 The Doors of Perception 中,作者在讨论肾上腺素等化学物质对身体的影响时涉及了血管收缩的概念。
  • 该词在大量药理学与急救医学文献中频繁出现,尤其是在讨论休克治疗和局部麻醉中血管收缩剂的应用时。
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