articular cartilage

简明释义

关节软骨

英英释义

例句

1.Doctors often recommend physical therapy to strengthen the muscles around the articular cartilage.

医生通常建议进行物理治疗，以增强关节软骨周围的肌肉。

2.The wear and tear of the articular cartilage can lead to joint pain.

关节软骨的磨损可能导致关节疼痛。

3.MRI scans can show damage to the articular cartilage in the knee.

MRI扫描可以显示膝盖关节软骨的损伤。

4.In osteoarthritis, the articular cartilage breaks down over time.

在骨关节炎中，关节软骨会随着时间的推移而退化。

5.A healthy diet can help maintain the integrity of the articular cartilage.

健康的饮食可以帮助保持关节软骨的完整性。

作文

The human body is a complex and intricate system, and one of its key components is the skeletal system. Within this system, joints play a crucial role in allowing movement and providing stability. At the heart of these joints lies a specialized type of tissue known as articular cartilage (关节软骨). This smooth, white tissue covers the ends of bones where they meet to form a joint, enabling them to glide over one another with minimal friction. Understanding the structure and function of articular cartilage is essential for grasping how our bodies move and how we can maintain joint health throughout our lives.Articular cartilage is primarily composed of water, collagen fibers, and proteoglycans, which together create a resilient and flexible surface. This unique composition allows articular cartilage to withstand the compressive forces encountered during physical activity. For instance, when we walk, run, or jump, our joints absorb significant amounts of pressure. The presence of articular cartilage helps distribute these forces evenly across the joint surfaces, reducing the risk of injury and damage to the underlying bone.One of the most remarkable features of articular cartilage is its ability to self-repair, though this capacity is limited. Unlike other tissues in the body, articular cartilage lacks a direct blood supply, which means that it receives nutrients through the synovial fluid that bathes the joints. This fluid not only nourishes the cartilage but also lubricates the joint, further enhancing its function. However, because of its avascular nature, any damage to articular cartilage can lead to long-term issues, such as osteoarthritis, a degenerative joint disease characterized by the breakdown of cartilage and the subsequent pain and stiffness in the affected area.Maintaining healthy articular cartilage is vital for overall joint health. Regular physical activity, a balanced diet rich in vitamins and minerals, and maintaining a healthy weight are all important factors that contribute to the well-being of our joints. Exercise helps to keep the joints flexible and strengthens the muscles around them, which provides additional support. Furthermore, certain nutrients, such as glucosamine and chondroitin sulfate, have been shown to promote the health of articular cartilage and may even aid in its repair.In conclusion, articular cartilage is an essential component of our joints, playing a critical role in facilitating movement and ensuring joint health. Its unique properties allow it to bear weight and reduce friction, making it indispensable for our everyday activities. As we age or engage in high-impact sports, the health of our articular cartilage becomes increasingly important. By understanding its structure and function, we can take proactive steps to protect and preserve our joint health, ensuring that we remain active and mobile throughout our lives.

人体是一个复杂而精细的系统，其中一个关键组成部分是骨骼系统。在这个系统中，关节在允许运动和提供稳定性方面发挥着至关重要的作用。在这些关节的核心是被称为关节软骨（articular cartilage）的一种特殊组织。这种光滑的白色组织覆盖在骨头的末端，当它们相遇形成关节时，使它们能够以最小的摩擦力相互滑动。理解关节软骨的结构和功能对于掌握我们身体的运动以及如何保持关节健康至关重要。关节软骨主要由水、胶原纤维和蛋白聚糖组成，这些成分共同创造出一种有弹性和灵活的表面。这种独特的组成使得关节软骨能够承受在体育活动中遇到的压缩力。例如，当我们走路、跑步或跳跃时，我们的关节会吸收大量的压力。关节软骨的存在有助于将这些力量均匀分布在关节表面上，降低受伤和损伤下方骨骼的风险。关节软骨最显著的特点之一是其自我修复的能力，尽管这种能力有限。与身体的其他组织不同，关节软骨缺乏直接的血液供应，这意味着它通过浸润关节的滑液获取营养。这种液体不仅滋养软骨，还润滑关节，进一步增强其功能。然而，由于其无血管特性，任何对关节软骨的损伤都可能导致长期问题，例如骨关节炎，这是一种以软骨退化及随后受影响区域疼痛和僵硬为特征的退行性关节疾病。保持健康的关节软骨对于整体关节健康至关重要。定期锻炼、均衡饮食（富含维生素和矿物质）以及保持健康体重都是促进我们关节健康的重要因素。运动有助于保持关节灵活，并增强周围肌肉的力量，从而提供额外支持。此外，某些营养素，如葡萄糖胺和硫酸软骨素，已被证明可以促进关节软骨的健康，甚至可能有助于其修复。总之，关节软骨是我们关节的重要组成部分，在促进运动和确保关节健康方面发挥着关键作用。它的独特特性使其能够承受重量并减少摩擦，使其对我们日常活动不可或缺。随着年龄的增长或参与高强度运动，关节软骨的健康变得越来越重要。通过理解其结构和功能，我们可以采取积极措施来保护和维持我们的关节健康，确保我们在整个生活中保持活跃和灵活。