catecholamines

简明释义

英[ˌkætəˈkoʊləˌmiːnz]美[ˌkætəˈkoʊləˌminz]

n. [有化]儿茶酚胺（catecholamine 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Renalase is a novel flavin adenine dinucleotide-dependent amine oxidase secreted by the kidney, which degrades circulating catecholamines and modulates cardiac function and systemic blood pressure.

肾酶是一种主要由肾脏分泌的新型黄素腺嘌呤二核苷酸依赖的胺氧化酶，能降解循环中的儿茶酚胺，调节心功能和血压。

2.However, there is controversy whether catecholamines can worsen myocardial damage in patients with septic shock because of adrenergic receptors activation.

但这类药物是否会因为肾上腺能受体的影响而加重危重状态下心肌细胞的损害，目前仍存在争议。

3.Also, cold exposure markedly increased plasma cortisol and plasma catecholamines levels of rats.

寒冷使动物血浆皮质醇和儿茶酚胺含量明显增加。

4.This pheochromocytoma demonstrates the chromaffin reaction. This neoplasm of the adrenal medulla contains catecholamines (epinephrine and norepinephrine).

嗜铬细胞瘤显示嗜铬反应阳性，该肾上腺髓质肿瘤含有儿茶酚胺(肾上腺素和去甲肾上腺素)。

5.Renalase is a novel flavin adenine dinucleotide-dependent amine oxidase secreted by the kidney, which degrades circulating catecholamines and modulates cardiac function and systemic blood pressure.

肾酶是一种主要由肾脏分泌的新型黄素腺嘌呤二核苷酸依赖的胺氧化酶，能降解循环中的儿茶酚胺，调节心功能和血压。

6.Chromogranin a (CHGA) regulates the storage and release of catecholamines and may have direct actions on the microvasculature.

嗜铬粒蛋白a调控儿茶酚胺的储存及释放，而且对微血管有直接作用。

7.The doctrine of norepinephrine (NE): at that time that depression is a brain catecholamines, especially NE due to the lack or relative lack of.

去甲肾上腺学说（NE）：当时认为抑郁症是脑内儿茶酚胺，尤其是NE的缺乏或相对缺乏所致。

8.During stressful situations, the body releases hormones known as catecholamines, which include adrenaline and noradrenaline.

在压力大的情况下，身体会释放被称为儿茶酚胺的激素，包括肾上腺素和去甲肾上腺素。

9.Patients with pheochromocytoma often have elevated levels of catecholamines in their bloodstream.

患有嗜铬细胞瘤的患者通常在血液中有升高的儿茶酚胺水平。

10.Doctors often measure catecholamines in urine tests to diagnose certain medical conditions.

医生通常通过尿液检测来测量儿茶酚胺以诊断某些医疗状况。

11.High levels of catecholamines can lead to increased heart rate and blood pressure.

高水平的儿茶酚胺可能导致心率和血压升高。

12.Exercise stimulates the production of catecholamines, helping to improve physical performance.

锻炼刺激儿茶酚胺的产生，有助于提高身体表现。

作文

Catecholamines are a group of hormones produced by the adrenal glands, which are located on top of each kidney. These hormones include epinephrine, norepinephrine, and dopamine, and they play a crucial role in the body's response to stress. When faced with a stressful situation, the body releases these hormones into the bloodstream, preparing it for a 'fight or flight' response. This physiological reaction is essential for survival, as it enables individuals to react quickly to life-threatening situations. The release of catecholamines (儿茶酚胺) increases heart rate, blood pressure, and energy supplies, allowing a person to respond effectively to danger.The effects of catecholamines (儿茶酚胺) on the body are profound. For instance, epinephrine, also known as adrenaline, is responsible for the rapid increase in heart rate and energy production from glucose. Norepinephrine, on the other hand, primarily focuses on increasing blood pressure by constricting blood vessels. Dopamine, while also classified as a catecholamine (儿茶酚胺), has a more complex role, influencing mood and movement. An imbalance in these hormones can lead to various health issues, including anxiety disorders, hypertension, and even cardiovascular diseases.In addition to their role in stress response, catecholamines (儿茶酚胺) are also involved in regulating several bodily functions. They help modulate the immune system, influence metabolism, and play a part in the central nervous system's functioning. For example, dopamine is crucial for reward and pleasure systems in the brain, affecting motivation and emotional responses. Understanding the multifaceted roles of catecholamines (儿茶酚胺) is vital for comprehending how our bodies react to different stimuli and maintain homeostasis.Research into catecholamines (儿茶酚胺) has expanded significantly over the years, leading to advancements in medical treatments for conditions related to hormonal imbalances. For example, medications that mimic or block the effects of catecholamines (儿茶酚胺) are used to treat high blood pressure, heart failure, and certain psychiatric disorders. Furthermore, the understanding of catecholamines (儿茶酚胺) has paved the way for innovative therapies targeting mental health issues, such as depression and anxiety, which are often linked to dysregulated hormone levels.In conclusion, catecholamines (儿茶酚胺) are essential hormones that play a significant role in our body’s response to stress and regulation of various physiological processes. Their impact on heart rate, blood pressure, and mood highlights their importance in both physical and mental health. As research continues to uncover the complexities of these hormones, we gain a better understanding of how to manage stress and its effects on our overall well-being. The study of catecholamines (儿茶酚胺) not only enhances our knowledge of human biology but also opens doors to new therapeutic approaches that can improve health outcomes for many individuals.