V2EX angiotensin ii

Angiotensin II

释义 Definition

血管紧张素 II:一种由血管紧张素 I 在血管紧张素转换酶(ACE)作用下生成的活性肽类激素,是肾素-血管紧张素-醛固酮系统(RAAS)的关键效应物质。它主要通过收缩血管、升高血压,并促进醛固酮分泌来调节体液与血压。(该词在医学语境中最常用;另有相关编号形式如 Angiotensin I 等。)

发音 Pronunciation (IPA)

/ndiotnsn tu/

例句 Examples

Angiotensin II raises blood pressure.
血管紧张素 II 会升高血压。

In the reninangiotensin system, angiotensin II constricts arterioles and stimulates aldosterone secretion.
在肾素-血管紧张素系统中,血管紧张素 II 会收缩小动脉,并刺激醛固酮分泌。

词源 Etymology

Angiotensinangio-(表示“血管”)与 tensin(源自“张力/紧张”,与 tension 同源)构成,体现其“使血管张力上升”的作用;II 表示“第二型/第二阶段产物”,对应其由血管紧张素 I 转化而来且生理活性更强。

相关词 Related Words

文学与著名作品 Literary Works & Notable Mentions

  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》):在血压调控与 RAAS 章节中系统讲解血管紧张素 II 的作用。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在高血压、心衰、肾脏疾病相关章节中频繁出现该术语。
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼与吉尔曼:药理学基础》):在 ACEI/ARB 等药物机制部分讨论血管紧张素 II 通路。
  • The LancetNew England Journal of Medicine 等医学期刊:在高血压、心血管与肾脏研究论文中常见该术语。
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