angiotensin

简明释义

英[ˌændʒɪəʊˈtensən]美[ˌændʒioʊˈtensɪn]

n. 血管紧张肽；血管紧缩素

英英释义

单词用法

同义词

反义词

例句

1.The first clinical trial of angiotensin-(1-7) has been completed at the School of Medicine and the results are currently being reviewed.

血管紧张素1-7的初期临床试验已经在医学院完成，当前正在综述该研究结果。

2.Action of a hypertensive hormone - Angiotensin II - is known to interfere with that process.

众所周知，高血压激素(血管紧缩素2)的作用干扰着这一过程。

3.Should ACE Inhibitors be Combined with Angiotensin II Receptor Antagonists?

ACE抑制剂应与血管紧张素受体拮抗剂合用吗？

4.Objective To study the role of renin angiotensin aldosterone system in the pathogenesis of hyperthyroid heart disease.

目的探讨肾素血管紧张素醛固酮系统在甲亢性心脏病发病中的作用。

5.ACE inhibitors work by inhibiting the conversion of angiotensin I to the potent vasoconstrictor, angiotensin II, thereby improving blood flow and blood pressure.

ACE抑制剂的工作，通过抑制血管紧张素I的转化可以强化血管，血管紧张素Ⅱ可改善血流和血压。

6.The renin-angiotensin-aldosterone system plays an important role in regulating the circadian rhythms of blood pressure.

肾素- 血管紧张素-醛固酮系统在血压昼夜节律的调节中起着关键作用。

7.Angiotensin - (1-7) works by inhibiting the production of signals sent out by a cancer tumor for food.

血管紧张素1- 7通过抑制肿瘤对食物发放信号产物而工作。

8.This pathway is known as the renin-angiotensin system.

这条通路就是众所周知的肾素-血管紧张素系统。

9.But the renin angiotensin aldosterone system had a very active, mainly hyperactivating, response.

肾素-血管紧张素-醛固酮系统反应活跃，一般以偏高居多。

10.The drug works by inhibiting the production of angiotensin, which helps lower blood pressure.

这种药物通过抑制血管紧张素的产生来帮助降低血压。

11.Research shows that angiotensin plays a critical role in regulating fluid balance in the body.

研究表明，血管紧张素在调节体内液体平衡方面起着关键作用。

12.The renin-angiotensin system is essential for maintaining cardiovascular homeostasis, involving angiotensin production.

肾素-血管紧张素系统对维持心血管稳态至关重要，涉及血管紧张素的产生。

13.Blocking angiotensin receptors can help treat heart failure by reducing strain on the heart.

阻断血管紧张素受体可以通过减少心脏负担来帮助治疗心力衰竭。

14.Patients with hypertension often have elevated levels of angiotensin in their blood.

高血压患者的血液中通常有升高的血管紧张素水平。

作文

The human body is a complex system that relies on various hormones and enzymes to maintain homeostasis. One of these crucial components is angiotensin, a peptide hormone that plays a significant role in regulating blood pressure and fluid balance. Understanding the function of angiotensin can provide insights into how our bodies respond to stressors and maintain equilibrium.Angiotensin is produced in the liver and acts primarily through its effects on blood vessels and the kidneys. When blood pressure drops, the kidneys release an enzyme called renin. Renin then converts angiotensinogen, which is a precursor protein produced by the liver, into angiotensin I. This inactive form is then converted into angiotensin II by the action of an enzyme known as angiotensin-converting enzyme (ACE) primarily in the lungs.Angiotensin II is the active form of angiotensin and has several important functions. Firstly, it causes blood vessels to constrict, which increases blood pressure. This is particularly crucial in situations where the body experiences a drop in blood pressure due to dehydration or blood loss. By narrowing the blood vessels, angiotensin helps to ensure that vital organs receive adequate blood flow.In addition to its vasoconstrictive properties, angiotensin also stimulates the adrenal glands to release aldosterone, a hormone that promotes sodium and water retention in the kidneys. This action further contributes to increasing blood volume and, consequently, blood pressure. Moreover, angiotensin enhances the sensation of thirst, prompting individuals to drink more fluids, which is another mechanism to restore blood volume.The significance of angiotensin extends beyond its immediate effects on blood pressure and fluid balance. It is also involved in various pathological conditions. For instance, chronic activation of the angiotensin system is associated with hypertension, heart failure, and kidney disease. As a result, medications that inhibit the action of angiotensin, such as ACE inhibitors and angiotensin receptor blockers (ARBs), are commonly prescribed to manage these conditions. These drugs work by blocking the production or action of angiotensin, leading to vasodilation and reduced blood pressure.Research continues to explore the multifaceted roles of angiotensin in health and disease. Recent studies have suggested that angiotensin may also play a role in inflammation and immune responses, indicating that its influence extends beyond cardiovascular regulation. Understanding these broader implications could lead to new therapeutic strategies for a range of diseases.In conclusion, angiotensin is a vital component of the body's regulatory mechanisms, particularly in maintaining blood pressure and fluid balance. Its complex interactions within the body highlight the importance of hormonal regulation in health. As we continue to unravel the intricacies of angiotensin and its pathways, we gain valuable knowledge that can inform medical practices and improve patient outcomes.

人体是一个复杂的系统，依赖于各种激素和酶来维持体内平衡。其中一个重要的组成部分是血管紧张素，一种在调节血压和液体平衡方面发挥重要作用的肽类激素。理解血管紧张素的功能可以提供关于我们身体如何应对压力源和维持平衡的深入见解。血管紧张素是在肝脏中产生的，主要通过对血管和肾脏的影响来发挥作用。当血压下降时，肾脏会释放一种叫做肾素的酶。肾素随后将肝脏产生的前体蛋白血管紧张素原转化为血管紧张素 I。这种无活性的形式随后在肺部由一种称为血管紧张素转化酶（ACE）的酶转化为血管紧张素 II。血管紧张素 II是血管紧张素的活性形式，具有几个重要功能。首先，它使血管收缩，从而增加血压。这在身体因脱水或失血而经历血压下降的情况下尤为关键。通过收缩血管，血管紧张素有助于确保重要器官获得足够的血流。除了其血管收缩特性外，血管紧张素还刺激肾上腺释放醛固酮，这是一种促进肾脏保留钠和水的激素。这一作用进一步有助于增加血容量，从而提高血压。此外，血管紧张素增强口渴感，促使人们饮用更多液体，这是恢复血容量的另一种机制。血管紧张素的重要性超出了对血压和液体平衡的直接影响。它还参与各种病理状态。例如，血管紧张素系统的慢性激活与高血压、心力衰竭和肾脏疾病相关。因此，抑制血管紧张素作用的药物，如ACE抑制剂和血管紧张素受体拮抗剂（ARBs），通常被开处方用于管理这些情况。这些药物通过阻止血管紧张素的产生或作用，导致血管扩张和降低血压。研究继续探索血管紧张素在健康和疾病中的多面角色。最近的研究表明，血管紧张素可能还在炎症和免疫反应中发挥作用，表明其影响超出了心血管调节。理解这些更广泛的影响可能会导致针对多种疾病的新治疗策略。总之，血管紧张素是身体调节机制的重要组成部分，特别是在维持血压和液体平衡方面。它在体内的复杂相互作用突显了激素调节在健康中的重要性。当我们继续揭示血管紧张素及其途径的细微差别时，我们获得了有价值的知识，可以为医疗实践提供信息并改善患者结果。