alveolar structure

简明释义

蜂窝结构

英英释义

例句

1.The dentist explained the importance of maintaining the health of the alveolar structure 牙槽结构 to avoid tooth loss.

牙医解释了保持牙槽结构 alveolar structure健康的重要性，以避免牙齿脱落。

2.Research shows that smoking can damage the alveolar structure 牙槽结构 of the lungs.

研究表明，吸烟会损害肺部的牙槽结构 alveolar structure。

3.The surgeon emphasized the need to preserve the alveolar structure 牙槽结构 during dental implant procedures.

外科医生强调在牙种植手术中需要保护牙槽结构 alveolar structure。

4.A healthy diet can support the integrity of the alveolar structure 牙槽结构 in the mouth.

健康的饮食可以支持口腔中牙槽结构 alveolar structure的完整性。

5.In periodontal disease, the alveolar structure 牙槽结构 can become compromised, leading to inflammation.

在牙周病中，牙槽结构 alveolar structure可能受到损害，导致炎症。

作文

The human body is a marvel of biological engineering, composed of various structures that work together to sustain life. One of the most fascinating components of our anatomy is the respiratory system, which includes the lungs, bronchi, and alveoli. The fundamental functional unit of the lungs is the alveolar structure (肺泡结构), which plays a crucial role in gas exchange. The alveolar structure (肺泡结构) consists of tiny air sacs known as alveoli, which are surrounded by a network of capillaries. These alveoli are incredibly thin-walled, allowing for efficient diffusion of oxygen and carbon dioxide. When we inhale, air fills these tiny sacs, and oxygen passes through the alveolar walls into the bloodstream. Simultaneously, carbon dioxide moves from the blood into the alveoli to be exhaled. This process is essential for maintaining the body’s oxygen levels and removing waste gases. Each alveolus is lined with a surfactant, a substance that reduces surface tension and prevents the alveoli from collapsing. This alveolar structure (肺泡结构) is highly specialized; its large surface area—approximately the size of a tennis court in an adult—ensures that gas exchange occurs efficiently. The design of the alveoli maximizes the contact area between air and blood, facilitating the rapid exchange of gases needed for cellular respiration. Moreover, the health of the alveolar structure (肺泡结构) is vital for overall respiratory function. Conditions such as pneumonia, chronic obstructive pulmonary disease (COPD), and pulmonary fibrosis can severely affect the alveoli, leading to impaired gas exchange and respiratory distress. Understanding the importance of the alveolar structure (肺泡结构) helps us appreciate why maintaining lung health is crucial for our overall well-being. In addition to their primary function in gas exchange, the alveoli also play a role in filtering out small particles and pathogens from the air we breathe. They contain macrophages, immune cells that help protect the lungs from infection. This dual role of the alveolar structure (肺泡结构)—facilitating gas exchange while also serving as a defense mechanism—highlights the complexity and efficiency of the respiratory system. In conclusion, the alveolar structure (肺泡结构) is an essential component of the respiratory system, enabling the vital process of gas exchange. Its unique design and functionality underscore the importance of lung health and the need for continued research to understand and treat diseases that affect this critical structure. By appreciating the significance of the alveolar structure (肺泡结构), we can better understand how our bodies function and the importance of protecting our respiratory health.

人体是生物工程的奇迹，由各种结构组成，这些结构共同维持生命。我们解剖学中最迷人的组成部分之一是呼吸系统，包括肺、支气管和肺泡。肺的基本功能单位是肺泡结构，它在气体交换中发挥着至关重要的作用。肺泡结构由称为肺泡的小气囊组成，周围环绕着毛细血管网络。这些肺泡壁极其薄，使氧气和二氧化碳能够高效扩散。当我们吸气时，空气充满这些小囊，氧气通过肺泡壁进入血液。同时，二氧化碳从血液移动到肺泡中被呼出。这个过程对于维持体内氧气水平和排除废气至关重要。每个肺泡都被一种表面活性剂所覆盖，这种物质可以降低表面张力，防止肺泡塌陷。这种肺泡结构具有高度专业化，其大表面积——成年人的总面积大约相当于一张网球场——确保气体交换的高效进行。肺泡的设计最大限度地增加了空气与血液之间的接触面积，促进了细胞呼吸所需的快速气体交换。此外，肺泡结构的健康对于整体呼吸功能至关重要。肺炎、慢性阻塞性肺病（COPD）和肺纤维化等疾病会严重影响肺泡，导致气体交换受损和呼吸窘迫。了解肺泡结构的重要性有助于我们认识到维护肺部健康对我们整体健康的重要性。除了在气体交换中的主要功能外，肺泡还在过滤我们呼吸空气中的小颗粒和病原体方面发挥作用。它们含有巨噬细胞，这是一种帮助保护肺部免受感染的免疫细胞。这种肺泡结构的双重角色——促进气体交换，同时也作为防御机制——突显了呼吸系统的复杂性和高效性。总之，肺泡结构是呼吸系统的一个重要组成部分，使气体交换这一重要过程得以实现。它的独特设计和功能强调了肺部健康的重要性，以及继续研究以理解和治疗影响这一关键结构的疾病的必要性。通过欣赏肺泡结构的重要性，我们可以更好地理解我们的身体如何运作以及保护我们呼吸健康的重要性。