lymphocytes

简明释义

英[ˈlɪmfəsaɪts]美[ˈlɪmfəˌsaɪts]

n. 淋巴球（lymphocyte 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The mice also had problems with the lymphocytes that remained.

这类鼠中剩存的淋巴细胞仍存在缺陷。

2.They examined some white blood cells, called lymphocytes, which are an important part of the immune system.

他们检测了一些这样的人的白血球，也叫淋巴细胞，是免疫系统的一个重要部分。

3.Results:The atypical lymphocytes in hemogram were caused by infection. They were non - specific for diagnosis of EHF.

结果：血象中异型淋巴细胞的出现为感染所致，对EHF的临床诊断是非特异性的。

4.And yet another new study involved lymphocytes which are responsible for the immune response.

其他有关免疫反应作用的淋巴细胞的新研究，细胞有两种类型，即b细胞和t细胞。

5.But even with the drugs, the virus stays in the body's "T-cells," which are T-lymphocytes.

但是即使服用了这些药物，病毒仍停留在人体的T细胞，也就是T淋巴细胞之中。

6.Antigen processing by macrophages precedes recognition of an antigen by lymphocytes.

抗原被巨噬细胞加工表示该抗原将被淋巴细胞识别。

7.Blood routine test showed eosinophilia in 6 cases, atypical lymphocytes in 2 cases and monocytosis in 3 cases.

血液常规检查显示嗜酸性粒细胞增多6例，非典型淋巴细胞2例，单核细胞增多3例。

8.The immune system relies on lymphocytes to fight off infections.

免疫系统依赖于淋巴细胞来抵抗感染。

9.Doctors often check the number of lymphocytes in a blood test to assess immune function.

医生通常会检查血液测试中淋巴细胞的数量以评估免疫功能。

10.Increased levels of lymphocytes can indicate an ongoing infection.

增加的淋巴细胞水平可能表明正在进行的感染。

11.Certain types of cancer can affect the production of lymphocytes.

某些类型的癌症可能会影响淋巴细胞的产生。

12.Vaccination works by stimulating lymphocytes to recognize and combat pathogens.

疫苗接种通过刺激淋巴细胞识别和对抗病原体来发挥作用。

作文

The human immune system is a complex network that protects our bodies from infections and diseases. Central to this system are various types of white blood cells, among which lymphocytes (淋巴细胞) play a crucial role. These cells are primarily responsible for the adaptive immune response, which provides long-lasting protection against specific pathogens. There are two main types of lymphocytes (淋巴细胞): B cells and T cells. Each type has distinct functions that are vital for maintaining our health. B cells are responsible for producing antibodies, which are proteins that specifically target and neutralize foreign invaders such as bacteria and viruses. When a B cell encounters an antigen, it becomes activated and begins to multiply, producing a large number of identical cells. Some of these cells will become plasma cells, which secrete antibodies into the bloodstream. These antibodies bind to antigens, marking them for destruction by other immune cells. This process is essential for clearing infections and preventing future occurrences, as the body retains memory B cells that can respond more rapidly upon re-exposure to the same pathogen. On the other hand, T cells are involved in directly attacking infected cells and coordinating the overall immune response. There are several subtypes of T cells, including helper T cells and cytotoxic T cells. Helper T cells assist in activating B cells and other immune cells, while cytotoxic T cells are responsible for killing cells that have been infected by viruses or have become cancerous. The interaction between these different types of lymphocytes (淋巴细胞) is essential for a robust immune defense. The balance and function of lymphocytes (淋巴细胞) can be affected by various factors, including stress, nutrition, and age. For instance, chronic stress can lead to a decrease in the number of circulating lymphocytes (淋巴细胞), weakening the immune response and making the body more susceptible to infections. Similarly, poor nutrition can impair the production and function of these critical immune cells. As we age, the production of lymphocytes (淋巴细胞) may decline, which is one reason why older adults tend to have a higher incidence of infections and autoimmune diseases. Research into lymphocytes (淋巴细胞) has also provided insights into various medical conditions. For example, in autoimmune diseases, the body’s immune system mistakenly attacks its own cells, often involving dysfunctional lymphocytes (淋巴细胞). Understanding how these cells operate can lead to better treatments and therapies for such conditions. Furthermore, advancements in immunotherapy, which harnesses the power of lymphocytes (淋巴细胞) to combat cancer, have shown promising results in clinical trials. In conclusion, lymphocytes (淋巴细胞) are integral components of the immune system, playing vital roles in both the recognition and elimination of pathogens. Their ability to adapt and remember past infections allows for a more efficient immune response in future encounters. By understanding the functions and importance of lymphocytes (淋巴细胞), we can appreciate the complexities of our immune system and the ongoing research aimed at enhancing our health and well-being.

人类免疫系统是一个复杂的网络，保护我们的身体免受感染和疾病的侵害。在这个系统中，各种类型的白血细胞发挥着重要作用，其中淋巴细胞（lymphocytes）扮演着至关重要的角色。这些细胞主要负责适应性免疫反应，为特定病原体提供持久的保护。淋巴细胞（lymphocytes）主要有两种类型：B细胞和T细胞。每种类型都有独特的功能，对于维持我们的健康至关重要。 B细胞负责产生抗体，这些抗体是专门针对并中和外来入侵者（如细菌和病毒）的蛋白质。当B细胞遇到抗原时，它会被激活并开始增殖，产生大量相同的细胞。其中一些细胞将成为浆细胞，向血液中分泌抗体。这些抗体与抗原结合，将其标记为其他免疫细胞的破坏目标。这个过程对于清除感染和防止未来的发生至关重要，因为身体保留了记忆B细胞，可以在再次暴露于相同病原体时更快速地作出反应。 另一方面，T细胞参与直接攻击被感染的细胞并协调整体免疫反应。T细胞有几种亚型，包括辅助T细胞和细胞毒性T细胞。辅助T细胞帮助激活B细胞和其他免疫细胞，而细胞毒性T细胞则负责杀死已被病毒感染或已经癌变的细胞。这些不同类型的淋巴细胞（lymphocytes）之间的相互作用对于强大的免疫防御至关重要。 淋巴细胞（lymphocytes）的平衡和功能可能受到多种因素的影响，包括压力、营养和年龄。例如，慢性压力可能导致循环中的淋巴细胞（lymphocytes）数量减少，削弱免疫反应，使身体更容易受到感染。类似地，营养不良可能损害这些关键免疫细胞的产生和功能。随着年龄的增长，淋巴细胞（lymphocytes）的产生可能会下降，这也是老年人感染和自身免疫疾病发生率较高的原因之一。 对淋巴细胞（lymphocytes）的研究还提供了对各种医学条件的见解。例如，在自身免疫疾病中，身体的免疫系统错误地攻击自身细胞，通常涉及功能失常的淋巴细胞（lymphocytes）。了解这些细胞的运作可以导致更好的治疗和疗法。此外，利用淋巴细胞（lymphocytes）对抗癌症的免疫疗法的进展在临床试验中显示出良好的结果。 总之，淋巴细胞（lymphocytes）是免疫系统的重要组成部分，在识别和消灭病原体方面发挥着重要作用。它们适应和记住过去感染的能力使得未来的免疫反应更加高效。通过理解淋巴细胞（lymphocytes）的功能和重要性，我们可以欣赏到免疫系统的复杂性以及旨在增强我们健康和福祉的持续研究。