aortas

简明释义

英[eɪˈɔːtəz]美[eɪˈɔrtəz]

n. [解剖]主动脉（aorta 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.Three aortas are shown to demonstrate mild, moderate, and severe atherosclerosis from bottom to top.

从下到上依次是主动脉轻、中、重度粥样硬化的大体标本。

2.After treating 14 weeks, all the mice were filled with 10% formalin and the aortas were stripped for morphological research and photograph analysis.

连续灌胃14周后，用10 %福尔·马林灌注后，取主动脉做形态学观察及图像分析。

3.Results 8 abdominal aortas, 36 iliac arteries, 4 common femoral arteries and 3 superficial femoral arteries were all recanalized except 3 iliac arteries. The rate of patency was 94%.

结果除3例髂动脉闭塞未能开通外，8条腹主动脉，36条髂动脉，4条股总动脉和3条股浅动脉均得以开通，开通率为94%。

4.Alteration of? 1-adrenoceptor subtypes in aortas of 12-month-old spontaneously hypertensive rats.

中年自发性高血压大鼠主动脉？1肾上腺素受体亚型的改变。

5.Twenty weeks later the researchers again measured plaque in the mouse aortas.

二十周之后，研究人员重新测量老鼠动脉上的栓塞。

6.RESULTS: the aortas and liver of as model rats were stacked with fat, and the cells were distorted.

结果：高脂模型组主动脉和肝脏脂质堆积，细胞变形。

7.During the dissection, the anatomy of the aortas was clearly illustrated.

在解剖过程中，主动脉的解剖结构得到了清晰的展示。

8.A blockage in the aortas can lead to serious health issues.

在主动脉中的阻塞可能导致严重的健康问题。

9.The surgeon carefully examined the patient's aortas to check for any abnormalities.

外科医生仔细检查了病人的主动脉以查看是否有任何异常。

10.An aneurysm can develop in the aortas, which can be life-threatening.

在主动脉中可能会形成动脉瘤，这可能是致命的。

11.The doctor explained how the blood flows from the heart through the aortas.

医生解释了血液如何通过主动脉从心脏流出。

作文

The human body is a complex and intricate system, where every part plays a vital role in maintaining overall health and functionality. One of the most significant components of the circulatory system is the heart, which pumps blood throughout the body. However, the heart alone cannot perform this essential task without the help of large blood vessels, such as the aorta. The aorta is the largest artery in the body, responsible for carrying oxygen-rich blood away from the heart to the rest of the body. In this essay, we will explore the importance of the aorta, its structure, function, and the potential health issues that can arise if it becomes damaged or diseased.The structure of the aorta is remarkable. It originates from the left ventricle of the heart and extends down through the chest and abdomen, branching into smaller arteries that supply blood to various organs and tissues. The aorta is divided into several sections: the ascending aorta, the aortic arch, the descending aorta, and the abdominal aorta. Each of these sections plays a crucial role in distributing blood efficiently. The walls of the aortas (主动脉) are made up of three layers: the intima, media, and adventitia. These layers work together to provide strength and elasticity, allowing the aorta to withstand the high pressure of blood being pumped from the heart.Functionally, the aortas (主动脉) are essential for delivering oxygenated blood to the body's tissues. When the heart beats, it generates pressure that forces blood into the aorta. From there, the blood travels through a network of arteries, arterioles, and capillaries, ultimately reaching every cell in the body. This process is vital for sustaining life, as oxygen and nutrients are necessary for cellular function. Additionally, the aorta plays a role in regulating blood pressure and flow, adapting to the body’s needs during physical activity or rest.However, despite its importance, the aortas (主动脉) can be susceptible to various health issues. One common condition is an aortic aneurysm, which occurs when a section of the aorta weakens and bulges. This can lead to severe complications, including rupture, which can be life-threatening. Another issue is aortic dissection, where the layers of the aortic wall separate, causing blood to flow between them. Both conditions require immediate medical attention and can significantly impact a person’s health.To maintain the health of the aortas (主动脉), it is crucial to adopt a healthy lifestyle. This includes regular exercise, a balanced diet low in saturated fats and cholesterol, and avoiding smoking. Additionally, managing blood pressure and cholesterol levels can help prevent damage to the aorta and reduce the risk of cardiovascular diseases.In conclusion, the aortas (主动脉) play a vital role in the circulatory system, ensuring that oxygenated blood reaches all parts of the body. Understanding their structure and function helps us appreciate the complexities of our bodies and the importance of maintaining cardiovascular health. By taking proactive steps to care for our heart and blood vessels, we can enhance our overall well-being and reduce the risk of serious health issues related to the aorta.