biologic barrier

简明释义

生物阻限;

英英释义

例句

1.Vaccines are designed to enhance the biologic barrier against infectious diseases.

疫苗旨在增强对传染病的生物屏障。

2.In wound healing, the formation of new tissue helps restore the biologic barrier.

在伤口愈合过程中，新组织的形成有助于恢复生物屏障。

3.The skin acts as a biologic barrier to protect the body from pathogens.

皮肤作为一个生物屏障，保护身体免受病原体的侵害。

4.The gut microbiome plays a crucial role in maintaining the biologic barrier of the intestinal lining.

肠道微生物组在维持肠道内膜的生物屏障中起着至关重要的作用。

5.Certain medications can compromise the biologic barrier of the immune system.

某些药物可能会损害免疫系统的生物屏障。

作文

In the field of biology and medicine, the concept of a biologic barrier plays a crucial role in understanding how organisms protect themselves from external threats. A biologic barrier can be defined as a natural defense mechanism that prevents pathogens, toxins, and other harmful substances from entering the body. These barriers are essential for maintaining the health and integrity of living organisms. One of the most well-known examples of a biologic barrier is the skin. The skin acts as a physical barrier, shielding the internal organs from environmental hazards. It not only provides a protective layer but also plays a role in immune response. When the skin is compromised, such as through cuts or abrasions, it becomes vulnerable to infections, highlighting the importance of this biologic barrier. Another significant biologic barrier is the mucosal lining found in various parts of the body, including the respiratory and gastrointestinal tracts. This mucosal barrier produces mucus, which traps pathogens and particles, preventing them from entering the body. Additionally, the mucosal surfaces contain specialized cells that can initiate an immune response if necessary. The role of biologic barriers extends beyond physical protection. They are also involved in biochemical processes that help the body recognize and respond to foreign invaders. For instance, the gut microbiota, a community of microorganisms residing in the intestines, serves as a biologic barrier by competing with harmful bacteria for resources and space. This competition helps to maintain a balanced ecosystem in the gut, which is crucial for overall health. Moreover, advances in medical science have led to the development of synthetic biologic barriers in the form of drug delivery systems and biocompatible materials. These innovations aim to enhance the body's natural defenses while minimizing adverse reactions. For example, researchers are exploring ways to create hydrogels that mimic the properties of natural mucosal barriers, enabling targeted drug delivery while protecting sensitive tissues. The significance of biologic barriers is evident in various medical conditions. In autoimmune diseases, the body's immune system mistakenly attacks its own tissues, often breaching these protective barriers. Understanding how biologic barriers function can provide insights into potential therapeutic approaches. In conclusion, biologic barriers are vital components of the biological systems that ensure the protection and survival of organisms. From the skin to the gut microbiota, these barriers work tirelessly to defend against external threats. As research continues to uncover the complexities of these mechanisms, we gain a deeper appreciation for the intricate ways in which our bodies maintain health and resilience against disease. The study of biologic barriers not only enhances our understanding of biology but also paves the way for innovative medical advancements that can improve human health.

在生物学和医学领域，生物屏障的概念在理解生物体如何保护自己免受外部威胁方面发挥着至关重要的作用。生物屏障可以定义为一种自然防御机制，它防止病原体、毒素和其他有害物质进入体内。这些屏障对于维持生物体的健康和完整性至关重要。最著名的生物屏障之一是皮肤。皮肤作为一种物理屏障，保护内部器官免受环境危害。它不仅提供了保护层，还在免疫反应中发挥作用。当皮肤受到损伤，例如通过割伤或擦伤时，它变得容易感染，这突显了这种生物屏障的重要性。另一个重要的生物屏障是存在于身体各个部位的粘膜衬里，包括呼吸道和消化道。这个粘膜屏障产生粘液，捕捉病原体和颗粒，防止它们进入体内。此外，粘膜表面含有专门的细胞，如果需要，可以启动免疫反应。生物屏障的作用不仅限于物理保护。它们还参与生化过程，帮助身体识别和应对外来入侵者。例如，肠道微生物群，是居住在肠道中的微生物群落，作为一种生物屏障，通过与有害细菌争夺资源和空间来维持平衡的生态系统，这对于整体健康至关重要。此外，医学科学的进步导致了合成生物屏障的开发，例如药物输送系统和生物相容材料。这些创新旨在增强身体的自然防御，同时最小化不良反应。例如，研究人员正在探索创造模仿自然粘膜屏障特性的水凝胶的方法，使靶向药物输送的同时保护敏感组织。生物屏障的重要性在各种医学条件中显而易见。在自身免疫疾病中，身体的免疫系统错误地攻击自身组织，常常突破这些保护屏障。理解生物屏障的功能可以提供潜在治疗方法的见解。总之，生物屏障是生物系统中确保生物体保护和生存的重要组成部分。从皮肤到肠道微生物群，这些屏障不懈努力以抵御外部威胁。随着研究不断揭示这些机制的复杂性，我们对身体保持健康和抵御疾病的复杂方式有了更深入的理解。对生物屏障的研究不仅增强了我们对生物学的理解，还为改善人类健康的创新医学进展铺平了道路。