catecholamine

简明释义

英[ˌkætəˈkɒləˌmiːn]美[ˌkætəˈtʃoʊləˌmɪn;ˌkætəˈkoʊlə

n. 儿茶酚胺

英英释义

单词用法

同义词

反义词

例句

1.The serum concentrations of catecholamine were determined by HPLC methods.

用HPLC法检测血清中儿茶酚胺水平。

2.Objective:To observe the influence of over dosage catecholamine on animal models of congestive cardiomyopathy made by noradrenalin in pathology and physiology.

前言： 目的：观察超剂量儿茶酚胺对去甲肾上腺素性心肌病动物模型病理生理指标的影响。

3.FAGLU-induced histofluorescence method was used to determine locations of catecholamine-containing neurons (ca neurons) in the brain stem of Tree Shrew (Tupaia).

应用FAGLU荧光组化技术观察了树鼩脑干儿茶酚胺神经元(简称CA神经元)的位置分布及其形态特征。

4.Objective to detect the catecholamine content in urine of personnel before and after military manoeuvres to find out the change of catecholamine under stress.

目的检测参加军事演习人员演习前和演习后尿儿茶酚胺含量，以探讨应激状态下尿中儿茶酚胺含量的变化。

5.Methods:Evoked release of catecholamine from cardiac sympathetic nerve in rabbit heart in vivo was recorded by electrochemical amperometry using gold fiber micro-electrodes.

方法：以金纤维制成浮动式电极，采用微电极恒压安培法记录在体兔心脏表面交感神经末梢儿茶酚胺分泌。

6.Objective To study the expression of catecholamine metabolism related enzymes COMT and MAO in the lung tissues of a rat acute pulmonary embolism (PE) model.

目的探讨急性肺血栓栓塞大鼠的肺组织中儿茶酚胺代谢相关酶类氧甲基转移酶(COMT)和单胺氧化酶(MAO)的表达变化。

7.Copper-containing enzymes play important roles in iron and catecholamine metabolism, free radical scavenging, and in the synthesis of hemoglobin, elastin and collagen.

含铜的酶在铁和儿茶酚胺的代谢、自由基清除、合成血红蛋白、弹性蛋白和胶原蛋白中发挥重要作用。

8.The mechanism of myocardium ischemia reperfusion injury involve in generating of reactive oxygen species, overload of Ca2 + and releasing of catecholamine by ischemia.

心肌缺血再灌注损伤的主要机制为氧自由基大量释放，细胞内钙超载以及缺血导致的大量儿茶酚胺释放。

9.Exercise can increase the levels of catecholamines in the body, enhancing physical performance.

运动可以提高体内儿茶酚胺的水平，从而增强身体表现。

10.During stressful situations, the body releases catecholamines, which are hormones that prepare you for a fight-or-flight response.

在压力情境下，身体释放儿茶酚胺，这是一种准备你进行战斗或逃跑反应的激素。

11.Certain medications can affect the production of catecholamines, leading to changes in mood and energy levels.

某些药物可以影响儿茶酚胺的产生，导致情绪和能量水平的变化。

12.Doctors often measure levels of catecholamines in patients to diagnose conditions like pheochromocytoma.

医生经常测量患者体内的儿茶酚胺水平，以诊断嗜铬细胞瘤等疾病。

13.The adrenal glands are responsible for producing catecholamines such as adrenaline and norepinephrine.

肾上腺负责产生如肾上腺素和去甲肾上腺素等儿茶酚胺。

作文

The human body is a complex system that relies on various hormones and neurotransmitters to maintain homeostasis and respond to stress. One group of important substances in this system is known as catecholamines, which are derived from the amino acid tyrosine. These compounds include dopamine, norepinephrine, and epinephrine, each playing vital roles in our physiological responses. Understanding catecholamines is essential for grasping how our bodies react to different stimuli and manage stress. Firstly, catecholamines are primarily produced in the adrenal glands, which sit atop the kidneys. When faced with a stressful situation, such as danger or excitement, the body triggers the release of these hormones. This response is often referred to as the 'fight or flight' response, preparing the body to either confront or flee from threats. For instance, when adrenaline, a type of catecholamine, is released into the bloodstream, it increases heart rate, elevates blood pressure, and boosts energy supplies. In addition to their role in stress response, catecholamines also influence mood and cognitive functions. Dopamine, for example, is crucial for the brain's reward system. It helps regulate feelings of pleasure and satisfaction, making it a key player in motivation and learning. Low levels of dopamine have been linked to conditions such as depression and Parkinson's disease, highlighting the importance of catecholamines in mental health. Moreover, catecholamines are involved in various metabolic processes. Norepinephrine, another type of catecholamine, plays a significant role in regulating blood sugar levels by promoting the breakdown of glycogen in the liver. This process ensures that the body has enough energy during times of stress or exertion. Therefore, understanding how catecholamines function can provide insights into managing conditions like diabetes, where blood sugar regulation is crucial. Research into catecholamines has also advanced our knowledge of cardiovascular health. Elevated levels of these hormones can lead to increased heart rate and blood pressure, contributing to the risk of heart disease. Consequently, managing stress and maintaining a balanced lifestyle are essential for keeping catecholamine levels within a healthy range. Techniques such as mindfulness, exercise, and proper nutrition can help mitigate excessive release of these hormones. Furthermore, the study of catecholamines extends beyond just human physiology. In veterinary medicine, understanding these hormones can aid in diagnosing and treating stress-related conditions in animals. For example, horses under competitive stress may exhibit elevated catecholamine levels, affecting their performance and health. In conclusion, catecholamines are critical components of our body's response to stress and play fundamental roles in various physiological processes. From regulating mood and motivation to influencing cardiovascular health and metabolism, these hormones are integral to our overall well-being. A deeper understanding of catecholamines not only enhances our knowledge of human biology but also emphasizes the importance of stress management in maintaining a healthy lifestyle. As research continues to unfold, we may discover even more about the fascinating world of catecholamines and their impact on both physical and mental health.

人类身体是一个复杂的系统，依赖于各种激素和神经递质来维持内稳态并应对压力。在这个系统中，有一组重要的物质被称为儿茶酚胺，它们源自氨基酸酪氨酸。这些化合物包括多巴胺、去甲肾上腺素和肾上腺素，每种物质在我们的生理反应中都发挥着至关重要的作用。理解儿茶酚胺对掌握我们身体如何应对不同刺激和管理压力至关重要。首先，儿茶酚胺主要由位于肾脏顶部的肾上腺产生。当面临压力情境时，例如危险或兴奋，身体会触发这些激素的释放。这种反应通常被称为“战斗或逃跑”反应，准备身体要么面对威胁，要么逃离威胁。例如，当肾上腺素（一种儿茶酚胺）释放到血液中时，会增加心率、升高血压并提升能量供应。除了在压力反应中的作用，儿茶酚胺还影响情绪和认知功能。例如，多巴胺对大脑的奖励系统至关重要。它帮助调节愉悦感和满足感，使其成为动机和学习的关键因素。低水平的多巴胺与抑郁症和帕金森病等疾病有关，突显了儿茶酚胺在心理健康中的重要性。此外，儿茶酚胺还参与各种代谢过程。去甲肾上腺素，另一种类型的儿茶酚胺，在通过促进肝脏中的糖原分解来调节血糖水平方面发挥着重要作用。这个过程确保身体在压力或运动期间有足够的能量。因此，理解儿茶酚胺的功能可以提供对管理如糖尿病等条件的见解，其中血糖调节至关重要。对儿茶酚胺的研究也提高了我们对心血管健康的认识。激素水平升高可能导致心率和血压增加，从而增加心脏病的风险。因此，管理压力和保持平衡的生活方式对于保持儿茶酚胺水平在健康范围内至关重要。正念、锻炼和适当营养等技术可以帮助减轻这些激素的过度释放。此外，儿茶酚胺的研究不仅限于人类生理学。在兽医学中，理解这些激素可以帮助诊断和治疗动物中的压力相关疾病。例如，在竞争压力下的马可能表现出升高的儿茶酚胺水平，影响它们的表现和健康。总之，儿茶酚胺是我们身体应对压力的关键组成部分，并在各种生理过程中发挥基础性作用。从调节情绪和动机到影响心血管健康和代谢，这些激素对我们的整体健康至关重要。对儿茶酚胺的深入理解不仅增强了我们对人类生物学的知识，还强调了管理压力在维持健康生活方式中的重要性。随着研究的不断展开，我们可能会发现更多关于儿茶酚胺及其对身心健康影响的迷人世界。