aorta

简明释义

英[eɪˈɔːtə]美[eɪˈɔːrtə]

n. [解剖] 主动脉

复 数 a o r t a s 或 a o r t a e

英英释义

单词用法

同义词

反义词

例句

1.This finding can be seen in coarctation of the aorta.

主要见于主动脉缩窄。

2.It's vital that Marfan's be diagnosed as soon as possible, as the condition is commonly associated with weakness of the wall of the aorta.

马凡氏综合症要尽早发现，这至关重要，因为该病通常与主动脉的血管壁薄弱有关。

3.The blood can dissect up or down the aorta.

血液可沿主动脉向上或向下剥离动脉。

4.The first branches of the aorta go to the upper body (arms and head).

主动脉的第一分支分布到上身(上肢和头部)。

5.Objective To summarize the experience of modified operation on lung cancer invading aorta.

目的介绍肺癌侵犯主动脉外膜手术方法改进的经验。

6.AIM: To analyze the features of aorta atherosclerosis and cardiac functional damage, and seek the regularity.

目的：分析吸烟者大动脉粥样硬化和心功能损害特征，寻找其规律性。

7.A tear in the aorta can lead to life-threatening conditions.

在aorta中撕裂可能导致危及生命的情况。

8.The aorta carries oxygen-rich blood from the heart to the rest of the body.

从心脏流向身体其他部分的是富含氧气的血液，经过aorta。

9.Doctors often use imaging tests to assess the health of the aorta.

医生通常使用影像检查来评估aorta的健康状况。

10.The surgeon carefully repaired the damaged section of the aorta.

外科医生小心地修复了受损的aorta部分。

11.An aneurysm can form in the aorta if blood pressure is too high.

如果血压过高，可能会在aorta中形成动脉瘤。

作文

The human body is a complex system of organs and vessels that work together to sustain life. At the heart of this intricate network lies the most significant blood vessel, known as the aorta. The aorta is the largest artery in the body, originating from the left ventricle of the heart and extending downward through the chest and into the abdomen. Its primary function is to distribute oxygen-rich blood from the heart to the rest of the body. Understanding the role of the aorta is crucial for anyone interested in human anatomy and physiology.The aorta can be divided into several sections: the ascending aorta, the aortic arch, and the descending aorta. The ascending aorta rises from the heart and gives off two major branches known as the coronary arteries, which supply blood to the heart muscle itself. The aortic arch then curves around and gives rise to three major arteries: the brachiocephalic trunk, the left common carotid artery, and the left subclavian artery. These arteries supply blood to the head, neck, arms, and upper body.After the aortic arch, the aorta continues downward as the descending aorta, which travels through the thorax and into the abdomen. Here, it branches into the abdominal aorta, which further divides into the renal arteries, supplying blood to the kidneys, and the common iliac arteries, which supply blood to the lower limbs. This extensive branching system ensures that every part of the body receives the oxygenated blood it needs to function effectively.The health of the aorta is vital for overall cardiovascular health. Conditions such as aortic aneurysms or aortic dissection can pose serious risks to an individual’s life. An aortic aneurysm occurs when a section of the aorta weakens and bulges, potentially leading to rupture. On the other hand, aortic dissection involves a tear in the inner layer of the aorta, causing blood to flow between the layers of the artery wall. Both conditions require immediate medical attention and can have severe consequences if not treated promptly.Moreover, lifestyle choices play a significant role in maintaining the health of the aorta and the entire cardiovascular system. Regular exercise, a balanced diet low in saturated fats and high in fruits and vegetables, and avoiding smoking can help reduce the risk of developing problems related to the aorta. Additionally, regular check-ups with healthcare providers can help monitor blood pressure and cholesterol levels, further protecting this vital artery.In conclusion, the aorta is not just a simple blood vessel; it is a critical component of the circulatory system that impacts our overall health. By understanding its structure and function, we can appreciate the importance of taking care of our cardiovascular health. Knowledge about the aorta and its associated conditions can empower individuals to make informed choices that promote longevity and well-being. Thus, the aorta serves as a reminder of the intricate connections within our bodies and the importance of maintaining a healthy lifestyle to support these essential systems.

人体是一个复杂的器官和血管系统，这些系统共同作用以维持生命。在这个错综复杂的网络的核心，存在着最重要的血管，称为aorta。aorta是人体中最大的动脉，起源于心脏的左心室，向下延伸穿过胸部并进入腹部。它的主要功能是将富含氧气的血液从心脏输送到身体的其他部分。理解aorta的作用对于任何对人体解剖学和生理学感兴趣的人来说都是至关重要的。aorta可以分为几个部分：升主动脉、主动脉弓和降主动脉。升aorta从心脏上升，并发出两条主要分支，称为冠状动脉，供应心肌本身的血液。接着，主动脉弓弯曲并发出三条主要动脉：头臂干、左颈动脉和左锁骨下动脉。这些动脉为头部、颈部、手臂和上半身提供血液。在主动脉弓之后，aorta继续向下延伸，成为降aorta，它穿过胸腔并进入腹部。在这里，它分支成腹主动脉，进一步分为肾动脉，供应肾脏的血液，以及髂总动脉，供应下肢的血液。这种广泛的分支系统确保身体的每个部分都能获得所需的富氧血液，以有效地运作。aorta的健康对整体心血管健康至关重要。主动脉瘤或主动脉夹层等疾病可能对个人的生命构成严重风险。主动脉瘤发生在aorta的某一部分变弱并鼓起，可能导致破裂。另一方面，主动脉夹层涉及aorta内层的撕裂，导致血液在动脉壁的层之间流动。这两种情况都需要立即的医疗关注，如果不及时治疗，可能会产生严重后果。此外，生活方式选择在维护aorta和整个心血管系统的健康中起着重要作用。定期锻炼、均衡饮食（低饱和脂肪、高水果和蔬菜）以及避免吸烟可以帮助降低与aorta相关问题的风险。此外，定期进行健康检查可以帮助监测血压和胆固醇水平，进一步保护这一重要动脉。总之，aorta不仅仅是一条简单的血管；它是循环系统的关键组成部分，影响我们的整体健康。通过理解其结构和功能，我们可以欣赏到照顾我们心血管健康的重要性。关于aorta及其相关疾病的知识可以使个人能够做出明智的选择，以促进长寿和幸福。因此，aorta提醒我们身体内部的复杂联系以及保持健康生活方式以支持这些基本系统的重要性。