neutrophils

简明释义

[ˈnjuːtrəfɪlz][ˈnuːtrəfɪlz]

n. 中性粒(白)细胞;嗜中性球

英英释义

Neutrophils are a type of white blood cell that play a crucial role in the immune response by engulfing and destroying pathogens, particularly bacteria.

中性粒细胞是一种白细胞,在免疫反应中发挥重要作用,通过吞噬和破坏病原体,特别是细菌。

单词用法

neutrophil count

中性粒细胞计数

neutrophil function

中性粒细胞功能

increased neutrophils

中性粒细胞增多

decreased neutrophils

中性粒细胞减少

neutrophil activation

中性粒细胞激活

同义词

polymorphonuclear leukocytes

多形核白细胞

Neutrophils are the first line of defense in the immune response.

中性粒细胞是免疫反应的第一道防线。

反义词

eosinophils

嗜酸性粒细胞

Eosinophils are primarily involved in allergic reactions and parasitic infections.

嗜酸性粒细胞主要参与过敏反应和寄生虫感染。

basophils

嗜碱性粒细胞

Basophils play a role in inflammatory responses and release histamine.

嗜碱性粒细胞在炎症反应中起作用并释放组胺。

例句

1.Equine blood smear, neutrophils.

马血涂片,中性粒细胞。

2.The most immediate response is inflammation at the site of infection, and the recruitment of additional immune cells, including neutrophils.

最直接快速的反应就是感染部位的炎症和免疫细胞的补充,包括中性粒细胞。

3.Yet they are less aggressive than blood neutrophils and virtually disappear from breast milk six weeks after birth.

然而它们没有血液中的嗜中性白细胞那么活跃,并且基本上在婴儿出生后六周就从母乳中消失了。

4.Clinical characteristics included fever, pharyngalgia, swelling of tonsil, increased lung marking and increase in leucocytes and neutrophils.

临床特点有发热、咽痛、扁桃体肿大,肺纹理增强,白细胞升高以中性粒细胞升高为主。

5.Suggestion:Tiring exercises reduce the deformation of human neutrophils so that affects the engulf function of human neutrophils.

提示疲劳运动会降低人中性粒细胞的变形能力,影响其与变形有关的细胞吞噬功能。

6.Background: Actiation of polymorphonuclear neutrophils (PMN) is a critical eent leading to host tissue injury and organ damage after trauma.

背景:创伤后多形核白细胞(PMN)激活是导致宿主组织损害和器官损伤的关键步骤。

7.A number of infiltrating inflammatory cells such as lymphocytes and neutrophils could be observed in the treated tumor mass.

瘤体中有大量炎性细胞浸润,以淋巴细胞和中性粒细胞为主。

8.Certain medications can lower the number of neutrophils in the bloodstream.

某些药物可以降低血液中中性粒细胞的数量。

9.A high count of neutrophils can indicate an ongoing infection.

高数量的中性粒细胞可能表明正在进行的感染。

10.Doctors often check neutrophils levels during a complete blood count.

医生通常在全面血液检查中检查中性粒细胞水平。

11.Patients with low neutrophils are at greater risk for infections.

中性粒细胞的患者面临更高的感染风险。

12.The body uses neutrophils to fight off bacterial infections.

身体利用中性粒细胞来抵抗细菌感染。

作文

Neutrophils are a type of white blood cell that play a vital role in the immune system. They are the most abundant type of granulocyte and are essential for defending the body against infections. When pathogens such as bacteria or fungi invade the body, neutrophils (中性粒细胞) are among the first responders to the site of infection. They work by engulfing and destroying these harmful microorganisms through a process called phagocytosis. This action is crucial because it helps to prevent the spread of infection and aids in the healing process.The production of neutrophils (中性粒细胞) occurs in the bone marrow, where they are generated from stem cells. Once matured, they enter the bloodstream and circulate throughout the body. Their lifespan is relatively short, typically lasting only a few hours to a few days, which means that the body must constantly produce new neutrophils (中性粒细胞) to maintain adequate levels for immune defense.In addition to their role in fighting infections, neutrophils (中性粒细胞) also release various substances that can help regulate inflammation and attract other immune cells to the site of injury or infection. This process is essential for orchestrating a coordinated immune response. However, an overactive response can lead to excessive inflammation, which may cause tissue damage and contribute to various diseases, including autoimmune disorders.One interesting aspect of neutrophils (中性粒细胞) is their ability to form neutrophil extracellular traps (NETs). NETs are web-like structures made of DNA and proteins that trap and kill pathogens outside of the cell. This mechanism not only helps to contain infections but also plays a role in modulating the immune response. However, the formation of NETs can also have detrimental effects if not properly regulated, leading to chronic inflammation and tissue damage.The study of neutrophils (中性粒细胞) has significant implications for medical research and treatment strategies. For instance, understanding how neutrophils (中性粒细胞) function can help scientists develop new therapies for conditions such as sepsis, where the immune response becomes dysregulated. Additionally, targeting neutrophils (中性粒细胞) may provide new avenues for treating inflammatory diseases, cancer, and other health issues where the immune system plays a critical role.In conclusion, neutrophils (中性粒细胞) are essential components of the immune system, acting as the body's first line of defense against infections. Their ability to rapidly respond to pathogens, along with their involvement in regulating inflammation, highlights their importance in maintaining health. Ongoing research into the functions and mechanisms of neutrophils (中性粒细胞) will continue to enhance our understanding of the immune system and its role in disease prevention and treatment.

中性粒细胞是一种白血球,在免疫系统中扮演着重要的角色。它们是最丰富的粒细胞类型,对于保护身体免受感染至关重要。当细菌或真菌等病原体入侵身体时,中性粒细胞是首先响应感染部位的细胞之一。它们通过吞噬和消灭这些有害微生物的过程,称为吞噬作用。这一行为至关重要,因为它有助于防止感染的扩散,并促进愈合过程。中性粒细胞的产生发生在骨髓中,那里产生自干细胞。一旦成熟,它们进入血液循环并遍布全身。它们的生命周期相对较短,通常仅持续几个小时到几天,这意味着身体必须不断产生新的中性粒细胞以维持足够的免疫防御水平。除了在抵抗感染中的作用外,中性粒细胞还释放各种物质,帮助调节炎症并吸引其他免疫细胞到伤害或感染的部位。这一过程对于协调免疫反应至关重要。然而,过度活跃的反应可能导致过度炎症,从而造成组织损伤,并导致各种疾病,包括自身免疫性疾病。中性粒细胞的一个有趣方面是它们形成中性粒细胞外陷阱(NETs)的能力。NETs是由DNA和蛋白质构成的网状结构,可以捕获并杀死细胞外的病原体。这一机制不仅有助于控制感染,还在调节免疫反应中发挥作用。然而,如果NETs的形成没有得到适当的调节,可能会导致慢性炎症和组织损伤。对中性粒细胞的研究对医学研究和治疗策略具有重要意义。例如,了解中性粒细胞的功能可以帮助科学家开发针对脓毒症的新疗法,在这种情况下,免疫反应变得失调。此外,针对中性粒细胞的治疗可能为治疗炎症性疾病、癌症和其他免疫系统发挥关键作用的健康问题提供新的途径。总之,中性粒细胞是免疫系统的重要组成部分,作为身体抵御感染的第一道防线。它们迅速响应病原体的能力,以及参与调节炎症的作用,突显了它们在维持健康中的重要性。对中性粒细胞功能和机制的持续研究将继续增强我们对免疫系统及其在疾病预防和治疗中的作用的理解。