aortic bulb

简明释义

织脉球

英英释义

例句

1.The surgeon carefully examined the aortic bulb to ensure there were no abnormalities.

外科医生仔细检查了主动脉球以确保没有异常。

2.An ultrasound showed that the aortic bulb was dilated, indicating a potential risk of aneurysm.

超声波显示主动脉球扩张，表明可能存在动脉瘤的风险。

3.The aortic bulb plays a crucial role in regulating blood flow from the heart.

主动脉球在调节血液从心脏流动中起着至关重要的作用。

4.During the echocardiogram, the technician measured the size of the aortic bulb.

在心脏超声检查中，技术员测量了主动脉球的大小。

5.Patients with high blood pressure may experience changes in the aortic bulb structure.

高血压患者可能会经历主动脉球结构的变化。

作文

The human body is a complex and intricate system made up of various organs that work together to sustain life. One of the critical components of this system is the heart, which pumps blood throughout the body. Within the heart, there are several structures that play vital roles in ensuring efficient blood circulation. Among these structures is the aortic bulb, also known as the 主动脉球 in Chinese. Understanding the function and significance of the aortic bulb can provide insights into cardiovascular health and the overall functioning of the circulatory system.The aortic bulb is located at the base of the aorta, the largest artery in the body. It serves as a transitional area between the heart's left ventricle and the ascending aorta. The primary function of the aortic bulb is to facilitate the smooth flow of blood from the heart into the aorta. This structure plays a crucial role during the systolic phase of the cardiac cycle, where the left ventricle contracts and ejects blood into the aorta. The aortic bulb helps to dampen the pressure fluctuations that occur during this process, ensuring that blood flows steadily into the arterial system.One of the fascinating aspects of the aortic bulb is its ability to accommodate changes in blood volume and pressure. When the left ventricle contracts, the aortic bulb expands slightly to absorb the surge of blood. This expansion helps prevent excessive pressure from damaging the delicate walls of the aorta and other arteries. As the heart relaxes and the left ventricle fills with blood again, the aortic bulb returns to its original shape, allowing for a continuous and regulated flow of blood. Moreover, the health of the aortic bulb is essential for maintaining proper cardiovascular function. Any abnormalities or diseases affecting this structure can lead to serious complications, such as aortic aneurysms or dissections. These conditions can arise from factors such as hypertension, genetic predispositions, and lifestyle choices. Therefore, understanding the aortic bulb and its role in the circulatory system highlights the importance of regular cardiovascular check-ups and maintaining a healthy lifestyle.In addition to its physiological functions, the aortic bulb is also an area of interest in medical research. Scientists are continually studying how this structure responds to various stressors and how it can be protected against diseases. Advances in imaging technology have allowed researchers to visualize the aortic bulb in greater detail, leading to improved diagnostic techniques and treatment options for patients with cardiovascular issues.In conclusion, the aortic bulb is a vital component of the cardiovascular system that plays a significant role in regulating blood flow from the heart to the rest of the body. Its ability to adapt to changes in blood volume and pressure is essential for maintaining cardiovascular health. By understanding the function and importance of the aortic bulb, individuals can better appreciate the complexities of their own bodies and the importance of taking proactive steps to care for their heart health. Regular exercise, a balanced diet, and routine medical check-ups are all essential practices that contribute to the well-being of the aortic bulb and the entire circulatory system.

人体是一个复杂而精细的系统，由各种器官组成，这些器官共同工作以维持生命。其中一个关键组成部分是心脏，它将血液泵送到全身。在心脏内，有几个结构在确保血液循环的有效性方面发挥着重要作用。这些结构中有一个是主动脉球，在中文中被称为主动脉球。理解主动脉球的功能和重要性可以提供对心血管健康和循环系统整体功能的深入了解。主动脉球位于主动脉的根部，主动脉是体内最大的动脉。它作为心脏左心室与升主动脉之间的过渡区域。主动脉球的主要功能是促进血液从心脏平稳流入主动脉。在心动周期的收缩相中，左心室收缩并将血液排出到主动脉时，这一结构发挥着至关重要的作用。主动脉球有助于减缓在这一过程中发生的压力波动，确保血液稳定地流入动脉系统。主动脉球的一个迷人之处在于它能够适应血液量和压力的变化。当左心室收缩时，主动脉球会稍微扩张，以吸收血液的激增。这种扩张有助于防止过高的压力损坏主动脉和其他动脉的脆弱壁。当心脏放松，左心室再次充满血液时，主动脉球会恢复到原来的形状，从而实现血液的连续和调节流动。此外，主动脉球的健康对于维持适当的心血管功能至关重要。任何影响这一结构的异常或疾病都可能导致严重并发症，如主动脉瘤或夹层。这些情况可能由高血压、遗传倾向和生活方式选择等因素引起。因此，理解主动脉球及其在循环系统中的作用突显了定期进行心血管检查和保持健康生活方式的重要性。除了生理功能外，主动脉球也是医学研究的一个关注点。科学家们不断研究这一结构如何响应各种压力源，以及如何保护其免受疾病侵害。成像技术的进步使研究人员能够更详细地可视化主动脉球，从而改善诊断技术和患者心血管问题的治疗方案。总之，主动脉球是心血管系统的一个重要组成部分，在调节血液从心脏流向全身方面发挥着重要作用。它适应血液量和压力变化的能力对于维持心血管健康至关重要。通过理解主动脉球的功能和重要性，个人可以更好地欣赏自己身体的复杂性以及采取积极措施来照顾心脏健康的重要性。定期锻炼、均衡饮食和例行体检都是有助于主动脉球和整个循环系统健康的重要做法。