pyrogen

简明释义

英[ˈpaɪrəʊˌdʒen]美[ˈpaɪrədʒən]

n. 热原质；发热源

英英释义

单词用法

同义词

反义词

例句

1.Results Highly pure baicalin did not showed pyrogen reaction.

结果高纯度的黄芩苷无热原反应。

2.Results: Chitosan membrane showed no toxicity and did not cause hemolysis, pyrogen or hyperergia.

结果：测试表明壳聚糖膜无毒、不溶血、不致热、不致敏。

3.Objective to establish bacterial endotoxin test of Cytidine Disodium Triphosphate Injection instead of pyrogen method.

目的通过试验确定三磷酸胞苷二钠注射液细菌内毒素的具体检测方法。

4.Objective To investigate the relation between the quality of baicalin production and the pyrogen.

目的探讨黄芩苷产品质量与热原的关系。

5.METHODS :Contrast experiments on the infusion set were made using bacterial endotoxins and pyrogen tests.

方法：采用内毒素检查法和热原检查法对一次性输液器进行对照试验。

6.Objective To introduce a method to study the bacterial pyrogen in compound glycerin injection.

目的介绍细菌内毒素法对甘油氯化钠注射液热原的研究。

7.The safety of Baihua extract injection was evaluated by the hemolytic test, pyrogen test, venous and muscular stimulative test, allergic test.

方法采用溶血试验、热原试验、静脉刺激试验、肌肉刺激试验及全身过敏试验白花注射液的安全性。

8.Conclusion the bacterial endotoxins test can replacement the rabbit method for pyrogen test.

结论细菌内毒素检查法可代替家兔法进行平衡液热原检查。

9.The body produces a natural pyrogen 致热源 when fighting off an infection.

身体在抵抗感染时会产生一种自然的致热源。

10.Certain bacteria release pyrogens 致热源 that can cause fever.

某些细菌释放的致热源可能导致发烧。

11.In the lab, we test for pyrogens 致热源 in pharmaceutical products to ensure safety.

在实验室里，我们测试药品中的致热源以确保安全。

12.A high level of pyrogen 致热源 in the bloodstream can indicate an underlying infection.

血液中高水平的致热源可能表明潜在感染。

13.Endotoxins are a type of pyrogen 致热源 that can trigger severe immune responses.

内毒素是一种可以引发严重免疫反应的致热源。

作文

In the realm of biology and medicine, understanding the mechanisms that govern our body's response to infections is crucial. One significant component of this response is the presence of a substance known as pyrogen, which plays a vital role in the development of fever. A pyrogen (致热源) is any substance that can induce fever when introduced into the body. This can include a variety of agents such as bacteria, viruses, and even certain drugs. When these substances enter the bloodstream, they trigger an immune response that results in the elevation of body temperature. The process begins when the immune system recognizes a foreign invader. White blood cells, particularly macrophages, engulf these pathogens and release signaling molecules called cytokines. Among these cytokines are interleukin-1 (IL-1) and tumor necrosis factor (TNF), both of which act as endogenous pyrogens (内源性致热源). These molecules travel to the hypothalamus, the part of the brain responsible for regulating body temperature. The hypothalamus then raises the body's set point temperature, leading to fever. Fever, while often uncomfortable, serves as a protective mechanism. By increasing body temperature, the immune system can enhance its efficiency in fighting off infections. Many pathogens thrive at normal body temperatures, so raising the temperature can inhibit their growth and reproduction. Additionally, fever can stimulate the production of more white blood cells, further bolstering the body's defense against disease. However, not all pyrogens (致热源) are beneficial. Some can lead to excessive fever, which can be dangerous and even life-threatening. For instance, bacterial toxins, which are potent pyrogens (致热源), can cause a severe reaction known as septic shock. In such cases, the body's temperature regulation becomes dysfunctional, leading to dangerously high fevers and other systemic issues. Medical professionals often need to distinguish between different types of pyrogens (致热源) to provide appropriate treatment. Exogenous pyrogens (外源性致热源), like those derived from infectious agents, require a different approach than endogenous pyrogens (内源性致热源), which are produced by the body itself. Understanding the source of the fever can guide clinicians in choosing the right medications or therapies to manage the patient's condition effectively. In conclusion, the concept of pyrogen (致热源) is fundamental to our understanding of how the body reacts to infections. Recognizing the role of pyrogens (致热源) in the immune response helps us appreciate the complexity of fever and its implications for health. As research continues to evolve, we may uncover new insights into the mechanisms behind pyrogens (致热源) and develop better strategies for managing fever in clinical settings. This knowledge not only enhances our understanding of human physiology but also improves our ability to combat infectious diseases effectively.

在生物学和医学领域，理解身体对感染的反应机制至关重要。一个显著的组成部分是被称为pyrogen的物质，它在发热的发展中发挥着重要作用。pyrogen（致热源）是指任何能够在进入体内后引起发热的物质。这可以包括多种因子，如细菌、病毒，甚至某些药物。当这些物质进入血液循环时，它们会触发免疫反应，导致体温升高。 这一过程始于免疫系统识别外来入侵者。白血球，特别是巨噬细胞，会吞噬这些病原体并释放称为细胞因子的信号分子。在这些细胞因子中，有白介素-1（IL-1）和肿瘤坏死因子（TNF），它们都是内源性pyrogen（内源性致热源）。这些分子会传递到下丘脑，这是负责调节体温的大脑部分。下丘脑随后会提高身体的设定温度，从而导致发热。 尽管发热常常令人不适，但它作为一种保护机制是有益的。通过提高体温，免疫系统可以增强其对抗感染的效率。许多病原体在正常体温下繁殖，因此提高温度可以抑制它们的生长和繁殖。此外，发热还可以刺激产生更多的白细胞，进一步增强身体对疾病的防御。 然而，并非所有的pyrogen（致热源）都是有益的。有些可能导致过度发热，这可能是危险的，甚至是危及生命的。例如，细菌毒素是强效的pyrogen（致热源），可能导致一种被称为脓毒性休克的严重反应。在这种情况下，身体的温度调节功能失常，导致体温异常升高和其他系统性问题。 医疗专业人员常常需要区分不同类型的pyrogens（致热源），以提供适当的治疗。外源性pyrogens（外源性致热源），如那些来自感染因子的，需要与内源性pyrogens（内源性致热源）采取不同的方法，后者是由身体自身产生的。了解发热的来源可以指导临床医生选择正确的药物或疗法，以有效管理患者的病情。 总之，pyrogen（致热源）的概念是我们理解身体如何对感染反应的基础。认识到pyrogens（致热源）在免疫反应中的作用帮助我们欣赏发热的复杂性及其对健康的影响。随着研究的不断发展，我们可能会发现关于pyrogens（致热源）背后机制的新见解，并制定更好的策略来管理临床环境中的发热。这一知识不仅增强了我们对人类生理的理解，也提高了我们有效对抗传染病的能力。