repolarization

简明释义

英[ˈriːˌpəʊləraɪˈzeɪʃən]美[ˈriˌpolərɪˈzeʃən]

复极化；极化恢复

英英释义

单词用法

同义词

反义词

例句

1.Myocardial repolarization of abnormality was in assiociation with sinus tachycardia.

复极异常与窦性心动过速发生时间一致。

2.Objective to study the influence of extrasystoles on cardiac repolarization time.

目的研究早搏对心室肌复极时间的影响。

3.Mechanism is a blood shunt from left to right lead to desynchrony of the ventricular repolarization, also with the right ventricular hypertrophy.

其机制是与左向右分流造成左右心室复极的不同步、合并右心室肥大有关。

4.Ventricular repolarization inconsistency is an important factor that leads to ventricular arrhythmia.

心室复极不一致则是导致室性心律失常的一个重要因素。

5.CONCLUSION: GST exerted a negative chronotropic action and induced a delayed repolarization of pacemaker cells in SA nodes of rabbits.

结论：GST对家兔窦房结具有负性变时作用，并可延长复极化时程。

6.But QTVI of AMI was higher than the control group, which suggested greater repolarization liability in AMI caused by myocardial ischemia and infarction.

急性心肌梗死患者QT变异度指数增高，可能是由于急性心肌梗死造成的心肌缺血和坏死使心室复极变异增大。

7.Objective To evaluate reliability of methods in reflecting ventricular repolarization dispersion.

目的探讨心室复极离散度测定方法的可靠性。

8.There are a number of gender differences in cardiac repolarization.

人的心脏复极化存在性别差异。

9.Objective To examine the spatial distribution and dispersion of repolarization using space-time map of body surface potential mapping (BSPM) and their clinical value.

目的用体表心电标测时空图法探讨复极离散空间分布和临床价值。

10.During the cardiac cycle, repolarization refers to the phase when the heart muscle cells reset their electrical state after contraction.

在心脏周期中，再极化指的是心肌细胞在收缩后重置其电状态的阶段。

11.The repolarization of neurons is crucial for returning them to their resting potential after an action potential.

神经元的再极化对在动作电位后将其恢复到静息电位至关重要。

12.Abnormal repolarization patterns can indicate potential heart problems in an ECG reading.

心电图读数中异常的再极化模式可能表明潜在的心脏问题。

13.The process of repolarization in muscle cells helps them prepare for the next contraction.

肌肉细胞中的再极化过程帮助它们为下次收缩做好准备。

14.In neuroscience, studying repolarization can provide insights into how signaling between neurons occurs.

在神经科学中，研究再极化可以提供关于神经元之间信号传递如何发生的见解。

作文

The human body is a complex system that relies on various physiological processes to maintain its functionality. One crucial aspect of this system is the electrical activity of the heart, which is essential for proper circulation. This electrical activity is governed by a series of phases that include depolarization and repolarization. Understanding these processes is vital for anyone interested in health sciences or medicine. Depolarization refers to the process where cardiac cells become excited and generate an electrical impulse. This impulse travels through the heart muscle, causing it to contract and pump blood. However, after depolarization occurs, the heart must return to its resting state, which is where repolarization comes into play. Repolarization is the phase in which the heart muscle cells restore their resting membrane potential after contraction. This process is crucial because it prepares the heart for the next electrical impulse and contraction. During repolarization, potassium ions move out of the cardiac cells while sodium ions remain inside. This movement helps to reset the electrical state of the cells, ensuring that they are ready for the next cycle of depolarization. If repolarization does not occur properly, it can lead to arrhythmias, which are irregular heartbeats that can be dangerous. In addition to its role in the heart, repolarization is also a concept applicable in other areas of physiology. For instance, neurons also undergo repolarization after firing an action potential. Just like in cardiac cells, the proper functioning of neurons depends on the timely and efficient process of repolarization. Disruptions in this process can lead to neurological issues, demonstrating how vital repolarization is across different systems in the body. Moreover, advancements in medical technology have allowed for better monitoring of repolarization in patients. Electrocardiograms (ECGs) are commonly used to assess heart health, providing insights into the timing and effectiveness of repolarization. By analyzing the ECG readings, healthcare professionals can identify potential problems with repolarization, allowing for early intervention and treatment. In conclusion, repolarization is a fundamental process in both cardiac and neural physiology that ensures the proper functioning of the heart and nervous system. Understanding repolarization not only enhances our knowledge of how the body works but also emphasizes the importance of maintaining healthy lifestyles to support these critical processes. As research continues to advance, the significance of repolarization will undoubtedly become clearer, paving the way for new treatments and interventions in the field of medicine. Therefore, it is essential for students and professionals in health sciences to grasp the concept of repolarization and its implications for overall health and well-being.

人体是一个复杂的系统，依赖于各种生理过程来维持其功能。其中一个关键方面是心脏的电活动，这对于正常的循环至关重要。这种电活动由一系列阶段控制，包括去极化和复极化。理解这些过程对于任何对健康科学或医学感兴趣的人来说都是至关重要的。 去极化指的是心脏细胞兴奋并产生电冲动的过程。这种冲动通过心肌传播，导致其收缩并泵送血液。然而，在去极化发生后，心脏必须恢复到静息状态，这就是复极化发挥作用的地方。复极化是心肌细胞在收缩后恢复静息膜电位的阶段。这个过程至关重要，因为它为下一个电冲动和收缩做好准备。 在复极化期间，钾离子从心脏细胞中流出，而钠离子则留在细胞内。这种运动有助于重置细胞的电状态，确保它们为下一个去极化周期做好准备。如果复极化没有正确进行，可能会导致心律失常，即不规则的心跳，这可能是危险的。 除了在心脏中的作用外，复极化也是生理学其他领域的一个概念。例如，神经元在发射动作电位后也会经历复极化。就像在心脏细胞中一样，神经元的正常功能依赖于复极化过程的及时和有效。如果这一过程受到干扰，可能会导致神经系统问题，展示了复极化在身体不同系统中的重要性。 此外，医学技术的进步使得更好地监测患者的复极化成为可能。心电图（ECG）通常用于评估心脏健康，提供有关复极化时机和有效性的见解。通过分析心电图读数，医疗专业人员可以识别潜在的复极化问题，从而允许早期干预和治疗。 总之，复极化是心脏和神经生理学中一个基本的过程，确保心脏和神经系统的正常功能。理解复极化不仅增强了我们对身体运作方式的了解，也强调了维持健康生活方式以支持这些关键过程的重要性。随着研究的不断深入，复极化的重要性无疑会变得更加清晰，为医学领域的新治疗和干预铺平道路。因此，健康科学领域的学生和专业人士必须掌握复极化的概念及其对整体健康和福祉的影响。