mucous membrane

简明释义

粘膜

英英释义

例句

1.Dryness in the mouth can lead to irritation of the mucous membrane.

口腔干燥可能导致粘膜的刺激。

2.Allergic reactions often cause swelling in the mucous membrane of the nasal passages.

过敏反应通常会导致鼻腔粘膜肿胀。

3.The mucous membrane plays a crucial role in protecting the body from pathogens.

粘膜在保护身体免受病原体侵害方面起着至关重要的作用。

4.The doctor examined the patient's mucous membrane to check for any signs of infection.

医生检查了病人的粘膜以查看是否有感染的迹象。

5.Inflammation of the mucous membrane can cause discomfort and pain.

粘膜的炎症可能会导致不适和疼痛。

作文

The human body is a complex system composed of various tissues and organs, each serving a unique function. One crucial component of this system is the mucous membrane, which plays a significant role in protecting and maintaining the health of our internal organs. The mucous membrane can be found lining various cavities and surfaces throughout the body, including the respiratory, digestive, and urogenital tracts. It is essential for several reasons, primarily its ability to produce mucus, which serves as a protective barrier against pathogens and irritants.Mucus, produced by goblet cells within the mucous membrane, is a viscous fluid that traps dust, bacteria, and other foreign particles that enter the body. This action is particularly important in the respiratory tract, where inhaled air can carry harmful substances. The mucous membrane in the nose and lungs helps filter these particles, preventing them from reaching the delicate lung tissue. Moreover, the mucus contains antibodies and enzymes that can neutralize potential threats, further enhancing the body's defense mechanisms.In addition to its protective functions, the mucous membrane also plays a vital role in hydration and lubrication. For instance, in the digestive system, the mucous membrane facilitates the smooth passage of food through the gastrointestinal tract. It provides a slippery surface that aids in digestion and prevents damage to the underlying tissues from harsh stomach acids. Without the proper functioning of the mucous membrane, individuals may experience discomfort, inflammation, or even more severe gastrointestinal issues.Furthermore, the mucous membrane is involved in the immune response. It acts as a first line of defense, alerting the body to potential infections. When pathogens breach the mucous membrane, immune cells are activated, leading to an inflammatory response that helps to eliminate the invaders. This process is crucial in preventing infections from taking hold and spreading throughout the body.However, various factors can affect the health of the mucous membrane. Environmental pollutants, allergens, and infections can lead to inflammation and damage. Conditions such as allergies, asthma, and chronic sinusitis often involve the mucous membrane and can result in symptoms like congestion, irritation, and excessive mucus production. Therefore, maintaining the health of the mucous membrane is essential for overall well-being.In conclusion, the mucous membrane is a vital component of the human body, serving multiple functions that are crucial for health. Its roles in protection, lubrication, and immune response highlight its importance in our daily lives. By understanding the significance of the mucous membrane, we can appreciate the intricate workings of our bodies and the need to care for our health. Ensuring that our mucous membrane remains healthy can lead to improved quality of life and better overall health outcomes.

人体是一个复杂的系统，由各种组织和器官组成，每个部分都发挥着独特的功能。这个系统中一个重要的组成部分是粘膜，它在保护和维持我们内脏健康方面发挥着重要作用。粘膜可以在身体的各个腔体和表面找到，包括呼吸、消化和泌尿生殖道。它之所以重要，主要是因为它能够产生粘液，这为对抗病原体和刺激物提供了保护屏障。由粘膜中的杯状细胞产生的粘液是一种粘稠的液体，可以捕获进入体内的灰尘、细菌和其他外来颗粒。这一作用在呼吸道中尤为重要，因为吸入的空气可能携带有害物质。鼻子和肺部的粘膜帮助过滤这些颗粒，防止它们到达娇嫩的肺组织。此外，粘液中含有抗体和酶，可以中和潜在威胁，进一步增强身体的防御机制。除了保护功能外，粘膜在水分和润滑方面也发挥着重要作用。例如，在消化系统中，粘膜促进食物在胃肠道中的顺利通过。它提供了一种光滑的表面，有助于消化，并防止强酸对下层组织造成损伤。如果粘膜的正常功能受到影响，个体可能会经历不适、炎症甚至更严重的胃肠问题。此外，粘膜还参与免疫反应。它作为第一道防线，提醒身体潜在的感染。当病原体突破粘膜时，免疫细胞被激活，导致炎症反应，帮助消灭入侵者。这个过程对于防止感染的发生和扩散至关重要。然而，各种因素可能会影响粘膜的健康。环境污染物、过敏原和感染可能导致炎症和损伤。过敏、哮喘和慢性鼻窦炎等疾病通常涉及粘膜，并可能导致鼻塞、刺激和过量粘液产生等症状。因此，维护粘膜的健康对整体健康至关重要。总之，粘膜是人体的重要组成部分，发挥着多种对健康至关重要的功能。它在保护、润滑和免疫反应方面的作用突显了它在我们日常生活中的重要性。通过理解粘膜的重要性，我们可以更好地欣赏我们身体的复杂运作以及照顾自身健康的必要性。确保我们的粘膜保持健康可以改善生活质量和整体健康结果。