valvula

简明释义

英[vælvˈjʊlə]美[vælvˈjʊlə]

n. 瓣；[解剖] 瓣膜

复 数 v a l v u l a e

英英释义

单词用法

同义词

反义词

例句

1.Results Of the 12 cases of congenital prepyloric diaphragm, valvula in pyloric antrum could be observed in 5 cases, inclusive of 2 cases of complicating pachyntic stenosis of pyloric muscular layer.

结果12例先天性幽门前瓣膜患儿中，超声能实时直观显示位于幽门窦部瓣膜样结构5例，其中合并幽门肌层肥厚性狭窄2例。

2.The input sense signals of the hairs on the dorsal valvula of the ovipositor have important function in cricket oviposition behaviour.

蟋蟀产卵器背侧产卵瓣外侧的感觉毛的感觉信号传入在其产卵过程中有重要的作用。

3.Results Of the 12 cases of congenital prepyloric diaphragm, valvula in pyloric antrum could be observed in 5 cases, inclusive of 2 cases of complicating pachyntic stenosis of pyloric muscular layer.

结果12例先天性幽门前瓣膜患儿中，超声能实时直观显示位于幽门窦部瓣膜样结构5例，其中合并幽门肌层肥厚性狭窄2例。

4.The valvula (瓣膜) in the veins helps return blood to the heart against gravity.

静脉中的valvula (瓣膜) 帮助血液逆重力返回心脏。

5.An abnormal valvula (瓣膜) can lead to serious health issues such as heart murmur.

异常的valvula (瓣膜) 可能导致严重的健康问题，如心脏杂音。

6.In the digestive system, the valvula (瓣膜) prevents backflow of food in the intestines.

在消化系统中，valvula (瓣膜) 防止食物在肠道中的回流。

7.The heart has four main chambers, each equipped with a different valvula (瓣膜) to regulate blood flow.

心脏有四个主要腔室，每个腔室都有不同的valvula (瓣膜) 来调节血流。

8.During surgery, the doctor replaced a damaged valvula (瓣膜) to restore normal heart function.

在手术中，医生更换了一个受损的valvula (瓣膜) 以恢复正常的心脏功能。

作文

The human body is a marvel of biological engineering, with numerous systems working together to maintain life. One such system is the circulatory system, which relies on various components to ensure that blood flows efficiently throughout the body. Among these components are structures known as valvula, or 'valves' in English. These valvula play a crucial role in regulating blood flow, preventing backflow, and ensuring that the heart can pump blood effectively.A valvula is a flap-like structure found in various parts of the body, particularly within the heart and veins. In the heart, there are four main valvula: the mitral valve, tricuspid valve, aortic valve, and pulmonary valve. Each of these valvula has a specific function that contributes to the overall efficiency of the heart's pumping action. For instance, the mitral valve controls blood flow from the left atrium to the left ventricle, while the tricuspid valve manages flow from the right atrium to the right ventricle.In addition to the heart, valvula can also be found in veins. These valvula help maintain unidirectional blood flow toward the heart, especially in the limbs where blood must travel against gravity. When we move our muscles, they exert pressure on the veins, aiding blood return. The valvula in the veins ensure that once blood passes through, it does not flow backward, which is essential for maintaining proper circulation.The importance of valvula in the body cannot be overstated. Without these structures, the circulatory system would be inefficient, leading to various health issues such as varicose veins or even heart failure. For example, if a heart valve becomes diseased or damaged, it can lead to conditions like stenosis or regurgitation, where blood does not flow properly. This can cause symptoms such as fatigue, shortness of breath, and swelling in the legs and abdomen.Recent advancements in medical technology have allowed for better diagnosis and treatment of valvula related conditions. Procedures such as valve repair or replacement surgeries have become more common, providing patients with relief and improved quality of life. Additionally, understanding the anatomy and physiology of valvula has led to innovations in minimally invasive techniques, allowing for quicker recovery times and less risk of complications.In conclusion, valvula are vital components of the circulatory system that ensure efficient blood flow and prevent backflow. Their presence in both the heart and veins highlights their significance in maintaining overall cardiovascular health. As we continue to advance our understanding of these structures, we can develop better treatments and preventive measures for conditions related to valvula dysfunction. It is clear that the study of valvula is not just an academic exercise but a critical aspect of improving human health and longevity.

人体是生物工程的奇迹，众多系统共同工作以维持生命。其中一个系统是循环系统，它依赖于各种组件确保血液在全身有效流动。在这些组件中，有一种被称为valvula的结构，或称为“瓣膜”。这些valvula在调节血流、防止回流和确保心脏有效泵血方面发挥着关键作用。valvula是一种类瓣状结构，存在于身体的各个部位，特别是在心脏和静脉中。在心脏中，有四个主要的valvula：二尖瓣、三尖瓣、主动脉瓣和肺动脉瓣。这些valvula各自具有特定功能，有助于心脏泵血的整体效率。例如，二尖瓣控制左心房到左心室的血流，而三尖瓣则管理右心房到右心室的血流。除了心脏，静脉中也可以找到valvula。这些valvula帮助保持血液单向流向心脏，特别是在四肢中，血液必须逆重力流动。当我们移动肌肉时，它们对静脉施加压力，帮助血液回流。静脉中的valvula确保一旦血液通过，就不会向后流动，这对维持正常循环至关重要。valvula在身体中的重要性不容小觑。没有这些结构，循环系统将变得低效，导致各种健康问题，如静脉曲张甚至心力衰竭。例如，如果心脏瓣膜变得病变或受损，可能导致狭窄或反流等情况，血液无法正常流动。这可能导致疲劳、呼吸急促以及腿部和腹部肿胀等症状。近年来，医学技术的进步使得对与valvula相关疾病的诊断和治疗更加有效。瓣膜修复或置换手术已变得更加普遍，为患者提供了缓解和改善生活质量的机会。此外，了解valvula的解剖和生理学也推动了微创技术的创新，使恢复时间更快，合并症风险更小。总之，valvula是循环系统的重要组成部分，确保血液有效流动并防止回流。它们在心脏和静脉中的存在突显了它们在维持整体心血管健康中的重要性。随着我们对这些结构理解的不断深入，我们可以开发出更好的治疗方法和预防措施，以应对与valvula功能障碍相关的疾病。显然，研究valvula不仅仅是学术上的探讨，而是改善人类健康和寿命的关键环节。