granulocyte

简明释义

英[ˈɡrænjʊləˌsaɪt]美[ˈɡrænjəloʊˌsaɪt;ˈɡrænjʊloʊˌs

n. [组织] 粒细胞；[组织] 粒性白细胞（细胞质中含有颗粒的一类白细胞）

英英释义

单词用法

同义词

反义词

例句

1.Stem cells were mobilized with granulocyte colony-stimulating factor from HLA-identical sibling donors.

供者采用粒细胞集落刺激因子皮下注射动员干细胞。

2.Objective: to study the significance of granulocyte colony stimulating factor (GCSF) expression in malignant ovarian tumor patients.

目的：研究粒细胞集落刺激因子(GCSF)达在恶性卵巢肿瘤患者中的意义。

3.Recombinant human granulocyte stimulating factor (GSF) was bought from Qilu Pharmacy Co. , Ltd.

重组人粒细胞刺激因子购于齐鲁制药有限公司。

4.Granulocyte colony-stimulating factor (G-CSF) is mainly used to treat neutropenia induced by all causes.

粒细胞集落刺激因子(G - CSF)主要用于各种原因引起的粒细胞减少症。

5.The results showed that there were abnormal hematopoiesis in granulocyte series, erythron series and megakaryocytic series in different extent.

结果：粒、红、巨核三系均有不同程度的病态造血表现。

6.Marrow in positive control group was hypoplastic or marked hypoplastic, and morphology of granulocyte series was abnormal.

阳性对照组骨髓中有核细胞增生减低及明显减低，粒细胞系统形态异常。

7.The presence of granulocytes in the blood is a key indicator of infection.

血液中存在粒细胞是感染的一个关键指标。

8.A high count of granulocytes may suggest an allergic reaction.

高水平的粒细胞可能表明过敏反应。

9.Doctors often check granulocyte levels during a complete blood count.

医生通常在进行全血计数时检查粒细胞水平。

10.Neutrophils are a type of granulocyte that plays a vital role in fighting infections.

中性粒细胞是一种在抵抗感染中起重要作用的粒细胞。

11.An increase in granulocytes can indicate chronic inflammation.

增加的粒细胞可能表明慢性炎症。

作文

The human body is a complex and intricate system, constantly working to maintain homeostasis and protect itself from external threats. One of the key components of our immune system is a type of white blood cell known as a granulocyte (嗜颗粒白细胞). These cells play a crucial role in our body's defense mechanisms, particularly in fighting infections and responding to inflammation. In this essay, I will explore the different types of granulocytes (嗜颗粒白细胞), their functions, and their significance in maintaining our health. There are three primary types of granulocytes (嗜颗粒白细胞): neutrophils, eosinophils, and basophils. Each type has distinct characteristics and functions that contribute to the immune response. Neutrophils are the most abundant type of granulocyte (嗜颗粒白细胞) and are often the first responders to sites of infection. They are highly effective at engulfing and destroying bacteria through a process called phagocytosis. When an infection occurs, neutrophils are rapidly recruited to the affected area, where they release enzymes and reactive oxygen species to kill pathogens. Eosinophils, on the other hand, are primarily involved in combating parasitic infections and play a significant role in allergic reactions. They contain granules filled with toxic substances that can be released to destroy larger parasites that cannot be engulfed by neutrophils. Additionally, eosinophils contribute to the inflammatory response, which is essential for healing but can also lead to tissue damage if not properly regulated. Basophils are the least common type of granulocyte (嗜颗粒白细胞), but they are vital for initiating allergic responses and inflammation. They release histamine and other mediators that promote blood flow to tissues and attract other immune cells to the site of an allergic reaction or infection. This response is essential for dealing with allergens and pathogens, although it can sometimes lead to excessive inflammation and allergic reactions in susceptible individuals. The production and regulation of granulocytes (嗜颗粒白细胞) are tightly controlled by the body. These cells are produced in the bone marrow and released into the bloodstream, where they circulate until needed. The balance between the different types of granulocytes (嗜颗粒白细胞) is crucial for effective immune function. An increase in neutrophils may indicate an ongoing infection, while elevated eosinophils could suggest an allergic reaction or parasitic infection. Conversely, a decrease in these cells can compromise the immune response, leaving the body vulnerable to infections. In conclusion, granulocytes (嗜颗粒白细胞) are essential players in our immune system, each with unique functions that help protect our bodies from various threats. Understanding the roles of neutrophils, eosinophils, and basophils enhances our knowledge of how the immune system operates and underscores the importance of maintaining a healthy balance of these cells. Advances in medical research continue to shed light on the complexities of the immune system, paving the way for new treatments and therapies that target these vital components. As we learn more about granulocytes (嗜颗粒白细胞) and their functions, we can better appreciate their significance in our overall health and well-being.

人体是一个复杂而精细的系统，不断努力维持内环境的稳定并保护自己免受外部威胁。我们免疫系统的一个关键组成部分是一种称为granulocyte（嗜颗粒白细胞）的白细胞。这些细胞在我们身体的防御机制中发挥着至关重要的作用，特别是在抵抗感染和应对炎症方面。在这篇文章中，我将探讨不同类型的granulocytes（嗜颗粒白细胞）、它们的功能以及它们在维持我们健康中的重要性。 有三种主要类型的granulocytes（嗜颗粒白细胞）：中性粒细胞、嗜酸粒细胞和嗜碱粒细胞。每种类型都有独特的特征和功能，有助于免疫反应。中性粒细胞是最丰富的granulocyte（嗜颗粒白细胞），通常是感染部位的第一响应者。它们在吞噬细菌方面非常有效，通过一种称为吞噬作用的过程来实现。当发生感染时，中性粒细胞会迅速被招募到受影响区域，在那里它们释放酶和反应性氧种以杀死病原体。 另一方面，嗜酸粒细胞主要参与抵抗寄生虫感染，并在过敏反应中发挥重要作用。它们的颗粒中充满了可以释放的有毒物质，以摧毁较大的寄生虫，这些寄生虫无法被中性粒细胞吞噬。此外，嗜酸粒细胞还促进炎症反应，这对于愈合至关重要，但如果没有得到适当调节，也可能导致组织损伤。 嗜碱粒细胞是最不常见的granulocyte（嗜颗粒白细胞），但它们在启动过敏反应和炎症中至关重要。它们释放组胺和其他介质，促进血液流向组织，并吸引其他免疫细胞到过敏反应或感染的部位。这种反应对于应对过敏原和病原体至关重要，尽管在易感个体中有时会导致过度的炎症和过敏反应。 granulocytes（嗜颗粒白细胞）的产生和调节受到身体的严格控制。这些细胞在骨髓中生成并释放到血液中，在那里它们循环，直到需要为止。不同类型的granulocytes（嗜颗粒白细胞）之间的平衡对于有效的免疫功能至关重要。中性粒细胞的增加可能表明正在进行感染，而嗜酸粒细胞的升高可能暗示过敏反应或寄生虫感染。相反，这些细胞的减少会削弱免疫反应，使身体容易受到感染。 总之，granulocytes（嗜颗粒白细胞）是我们免疫系统中不可或缺的角色，每种细胞都有独特的功能，帮助保护我们的身体免受各种威胁。了解中性粒细胞、嗜酸粒细胞和嗜碱粒细胞的作用增强了我们对免疫系统运作方式的认识，并强调了保持这些细胞健康平衡的重要性。医学研究的进展继续揭示免疫系统的复杂性，为针对这些重要组成部分的新治疗和疗法铺平了道路。当我们对granulocytes（嗜颗粒白细胞）及其功能了解得更多时，我们可以更好地欣赏它们在我们整体健康和福祉中的重要性。