thymus
简明释义
n. 胸腺
复 数 t h y m i 或 t h y m u s e s
英英释义
A small, glandular organ situated in the upper chest, responsible for the development of T-cells, which are crucial for the immune system. | 一个位于上胸部的小腺体，负责T细胞的发育，这些细胞对免疫系统至关重要。 |
单词用法
[解]胸腺 |
同义词
反义词
| 萎缩 | 随着年龄的增长，胸腺可能会萎缩。 | ||
| 减少 | 胸腺大小的减少可能会影响免疫功能。 |
例句
1.We have described a method for the preparation of LAK cells from spleen and thymus of human embryo.
本文报道了一种从人胎儿脾脏和胸腺细胞制备LAK细胞的方法。
2.Tissue, Cytoplasmic Protein, Human Tumor, Thymus.
组织，细胞质蛋白，人肿瘤，胸腺。
3.You talk about the thymus gland revivifying over the course of a couple of generations.
你们谈到胸腺复活超过一大代人结合的过程。
4.Your thymus can actually enlarge to almost one-third the size of the heart.
你们的胸腺真的可以扩大到心脏大小的大致三分之一。
5.The lymphoblasts in thymus possess membrane ALPase activity.
胸腺内淋巴母细胞具有膜性ALP。
6.The ultrastructure of DCs and the tendency of apoptotic cells in thymus were observed.
用透射电镜观察胸腺组织树突状细胞的超微结构和凋亡细胞变化趋势。
7.The prohibited items are brain, spine, thymus, tonsils, spleen and intestine.
阻止的项目是脑，脊骨，胸腺，扁桃体，脾和肠。
8.Tissue, Cytoplasmic Protein, Human Fetal Normal, Thymus.
组织，细胞质蛋白，人正常胚胎，胸腺。
9.Your thymus deteriorated because of the increase in background radiation caused when the two firmaments collapsed.
当两个天空倒塌时候，由于背景辐射的增加导致你们胸腺功能恶化。
10.The thymus is crucial for the development of T-cells in the immune system.
神经系统中，胸腺对T细胞的发育至关重要。
11.The thymus produces hormones that regulate immune function.
胸腺产生调节免疫功能的激素。
12.In children, the thymus is larger and plays a key role in developing immunity.
在儿童中，胸腺较大，并在免疫发育中发挥关键作用。
13.Some autoimmune diseases are linked to abnormalities in the thymus.
一些自身免疫性疾病与胸腺的异常有关。
14.After puberty, the size of the thymus gradually decreases.
青春期后，胸腺的大小逐渐减小。
作文
The human body is an intricate system composed of various organs that work together to maintain health and functionality. Among these organs, the thymus plays a crucial role, particularly in the development of the immune system. The thymus is a small gland located in the upper chest, behind the sternum. It is most active during childhood and adolescence, gradually shrinking and becoming less functional as one ages. This organ is vital for the maturation of T-cells, which are essential components of the adaptive immune system. T-cells originate from bone marrow but migrate to the thymus to undergo a rigorous selection process. In the thymus, these immature cells learn to distinguish between the body’s own cells and foreign invaders. This process is crucial because it helps prevent autoimmune diseases, where the immune system mistakenly attacks the body’s own tissues. The thymus ensures that only those T-cells that can effectively combat pathogens without harming the host are allowed to mature and enter the bloodstream. The significance of the thymus cannot be overstated. A properly functioning thymus contributes to a robust immune response, enabling the body to fend off infections and diseases. However, as individuals age, the thymus begins to atrophy and produce fewer T-cells. This decline is one reason older adults often experience a weaker immune response and are more susceptible to illnesses. Research has shown that the thymus can be influenced by various factors, including stress, nutrition, and overall health. For instance, chronic stress can lead to a decrease in the size and function of the thymus, thereby impairing immune function. On the other hand, a balanced diet rich in vitamins and minerals can support the health of the thymus and enhance its ability to produce T-cells. In recent years, scientists have been exploring ways to rejuvenate the thymus or enhance its function. Some studies suggest that certain hormones, such as thymosin, produced by the thymus, may have therapeutic potential in boosting immune responses in aging populations. This research opens up exciting possibilities for improving health outcomes in older adults, potentially leading to longer, healthier lives. In conclusion, the thymus is a small yet powerful organ that plays a critical role in developing and maintaining a strong immune system. Understanding its function and importance can help us appreciate the complexities of our body's defense mechanisms. As we continue to study the thymus and its effects on health, we may uncover new strategies for enhancing immune function, especially in aging individuals. The thymus serves as a reminder of the delicate balance within our bodies and the importance of nurturing our health throughout our lives.
人体是一个复杂的系统，由各种器官组成，这些器官共同工作以维持健康和功能。在这些器官中，胸腺扮演着至关重要的角色，特别是在免疫系统的发展中。胸腺是位于上胸部、胸骨后面的一个小腺体。它在儿童和青少年时期最为活跃，随着年龄的增长逐渐萎缩并变得功能减弱。这个器官对于T细胞的成熟至关重要，而T细胞是适应性免疫系统的重要组成部分。T细胞起源于骨髓，但会迁移到胸腺进行严格的选择过程。在胸腺中，这些未成熟的细胞学习区分身体自身的细胞与外来入侵者。这个过程至关重要，因为它有助于防止自身免疫疾病的发生，即免疫系统错误地攻击身体自身的组织。胸腺确保只有那些能够有效对抗病原体而不伤害宿主的T细胞被允许成熟并进入血液循环。胸腺的重要性不容小觑。正常功能的胸腺有助于强大的免疫反应，使身体能够抵御感染和疾病。然而，随着个体的老化，胸腺开始萎缩，产生的T细胞数量减少。这种下降是老年人往往经历较弱免疫反应以及更容易感染疾病的原因之一。研究表明，胸腺可以受到多种因素的影响，包括压力、营养和整体健康。例如，慢性压力可能导致胸腺的大小和功能降低，从而损害免疫功能。另一方面，富含维生素和矿物质的均衡饮食可以支持胸腺的健康，增强其产生T细胞的能力。近年来，科学家们一直在探索恢复胸腺功能或增强其功能的方法。一些研究表明，胸腺产生的某些激素，如胸腺素，可能在增强老年群体免疫反应方面具有治疗潜力。这项研究为改善老年人的健康结果开辟了令人兴奋的可能性，可能导致更长、更健康的生活。总之，胸腺是一个小而强大的器官，在发展和维持强大免疫系统方面发挥着关键作用。理解其功能和重要性可以帮助我们欣赏身体防御机制的复杂性。随着我们继续研究胸腺及其对健康的影响，我们可能会发现增强免疫功能的新策略，尤其是在老年人中。胸腺提醒我们身体内部的微妙平衡以及在整个生命中滋养健康的重要性。
