lymphoblast

简明释义

英[ˈlɪmfəʊˌblɑːst]美[ˈlɪmfoblæst]

n. [免疫][组织] 成淋巴细胞；[免疫][组织] 淋巴母细胞

英英释义

单词用法

同义词

反义词

例句

1.The expression products also to increase the proliferation of lymphoblast from the blood of rabbit, which has some biological activities.

兔淋巴母细胞增殖实验证明转染后，表达的重组蛋白能够促兔外周淋巴细胞增殖作用，具有一定的生物学活性。

2.The expression products also to increase the proliferation of lymphoblast from the blood of rabbit, which has some biological activities.

兔淋巴母细胞增殖实验证明转染后，表达的重组蛋白能够促兔外周淋巴细胞增殖作用，具有一定的生物学活性。

3.The presence of a high number of lymphoblast 淋巴母细胞 in the blood can indicate an active immune response.

血液中高数量的lymphoblast淋巴母细胞可能表明免疫反应活跃。

4.Doctors often look for lymphoblast 淋巴母细胞 during a bone marrow biopsy to diagnose leukemia.

医生在骨髓活检中通常寻找lymphoblast淋巴母细胞以诊断白血病。

5.In children, an increase in lymphoblast 淋巴母细胞 levels can be a sign of lymphoblastic lymphoma.

在儿童中，lymphoblast淋巴母细胞水平的增加可能是淋巴母细胞淋巴瘤的迹象。

6.A flow cytometry test can help identify abnormal lymphoblast 淋巴母细胞 populations.

流式细胞术检测可以帮助识别异常的lymphoblast淋巴母细胞群体。

7.Therapies targeting lymphoblast 淋巴母细胞 are crucial in treating certain types of leukemia.

针对lymphoblast淋巴母细胞的疗法对于治疗某些类型的白血病至关重要。

作文

The human body is a complex and intricate system, composed of various types of cells that work together to maintain health and fight diseases. One such type of cell is the lymphoblast, which plays a crucial role in the immune system. Understanding the function and significance of lymphoblasts can provide valuable insights into how our bodies respond to infections and other challenges. In this essay, I will explore what lymphoblasts are, their development, and their importance in the immune response. Lymphoblast refers to an immature lymphocyte, a type of white blood cell that is essential for the adaptive immune system. These cells originate from hematopoietic stem cells in the bone marrow and undergo several stages of development before maturing into functional lymphocytes. The process begins with the differentiation of stem cells into common lymphoid progenitors, which then further develop into lymphoblasts. At this stage, they are characterized by their large size, abundant cytoplasm, and prominent nucleoli, indicating active growth and division. Once formed, lymphoblasts have the potential to differentiate into different types of lymphocytes, including B cells and T cells. B cells are responsible for producing antibodies, while T cells play various roles, including directly killing infected cells and regulating the immune response. The ability of lymphoblasts to proliferate and differentiate is vital for generating a robust immune response to pathogens. The importance of lymphoblasts becomes particularly evident during an immune response. When the body encounters a pathogen, such as a virus or bacteria, the immune system activates and recruits lymphoblasts to the site of infection. These cells rapidly divide and differentiate into effector lymphocytes, which are specialized to combat the specific pathogen. For instance, activated B lymphoblasts will produce antibodies that bind to the pathogen, marking it for destruction by other immune cells. Meanwhile, activated T lymphoblasts can directly attack infected cells, helping to eliminate the threat. However, the dysregulation of lymphoblast development can lead to serious health issues. For example, if the process of differentiation is disrupted, it may result in the overproduction of lymphoblasts, leading to conditions such as leukemia. In these cases, the body produces an excessive number of immature lymphocytes, which can crowd out healthy blood cells and impair the immune system's function. Understanding the mechanisms that regulate lymphoblast development is essential for developing targeted therapies for such diseases. In conclusion, lymphoblasts are a vital component of the immune system, serving as precursors to fully functional lymphocytes. Their ability to proliferate and differentiate in response to infections is crucial for mounting an effective immune response. As research continues to uncover the complexities of lymphoblast biology, we gain a deeper understanding of how our immune system operates and how we can better combat diseases. By studying these cells, scientists hope to develop new treatments for immunological disorders and improve overall health outcomes. The study of lymphoblasts not only enhances our knowledge of immunology but also paves the way for innovative therapeutic strategies in medicine.

人体是一个复杂而精密的系统，由各种类型的细胞组成，这些细胞共同工作以维持健康并抵抗疾病。其中一种细胞是淋巴母细胞，它在免疫系统中扮演着至关重要的角色。理解淋巴母细胞的功能和重要性可以为我们提供有关身体如何应对感染和其他挑战的重要见解。在这篇文章中，我将探讨淋巴母细胞是什么，它们的发展以及它们在免疫反应中的重要性。 淋巴母细胞是指一种未成熟的淋巴细胞，这是一种对适应性免疫系统至关重要的白血球。这些细胞起源于骨髓中的造血干细胞，并在成熟为功能性淋巴细胞之前经历几个发展阶段。这个过程始于干细胞向共同淋巴祖细胞的分化，然后进一步发展成淋巴母细胞。在这一阶段，它们的特征是较大的体积、丰富的细胞质和明显的核仁，表明其活跃的生长和分裂。 一旦形成，淋巴母细胞就有潜力分化为不同类型的淋巴细胞，包括B细胞和T细胞。B细胞负责产生抗体，而T细胞则发挥多种作用，包括直接杀死感染细胞和调节免疫反应。淋巴母细胞增殖和分化的能力对于生成强有力的免疫反应以对抗病原体至关重要。 淋巴母细胞的重要性在免疫反应中尤为明显。当身体遇到病原体，例如病毒或细菌时，免疫系统会被激活并招募淋巴母细胞到感染部位。这些细胞迅速分裂并分化为效应淋巴细胞，这些细胞专门用于对抗特定的病原体。例如，活化的B淋巴母细胞会产生抗体，这些抗体会结合到病原体上，标记其被其他免疫细胞消灭。同时，活化的T淋巴母细胞可以直接攻击感染细胞，帮助消除威胁。 然而，淋巴母细胞发育的失调可能导致严重的健康问题。例如，如果分化过程受到干扰，可能会导致淋巴母细胞的过度产生，从而导致白血病等疾病。在这些情况下，身体会产生过多的未成熟淋巴细胞，这可能会挤占健康的血细胞并损害免疫系统的功能。理解调节淋巴母细胞发育的机制对于开发针对这些疾病的靶向治疗至关重要。 总之，淋巴母细胞是免疫系统的重要组成部分，作为完全功能性淋巴细胞的前体。它们在应对感染时增殖和分化的能力对发起有效的免疫反应至关重要。随着研究不断揭示淋巴母细胞生物学的复杂性，我们对免疫系统的运作有了更深入的理解，以及如何更好地抵御疾病。通过研究这些细胞，科学家希望开发新的免疫疾病治疗方法，改善整体健康结果。对淋巴母细胞的研究不仅增强了我们对免疫学的知识，还为医学领域创新治疗策略铺平了道路。