phagocytose

简明释义

英['fægəʊsaɪtəʊs]美[ˈfæɡəˌsaɪtoʊs]

v. （吞噬细胞）吞噬（异物或细菌）（等于 phagocytize）

英英释义

单词用法

同义词

反义词

例句

1.In the structure clearance, phagocytose groups and inflammatory cells with lymphocytes as the main parts were visible.

组织间隙可见吞噬团以及淋巴细胞为主的炎细胞分布。

2.Conclusion the binding between TACO and cell membrane is non-actin related. The result can provide evidence for exploring the function of TACO at the early stage of cell phagocytose.

结论TACO与细胞膜具有非依赖肌动蛋白方式的结合，这一结果为阐释TACO在细胞吞噬初始阶段的功能提供了有力的实验依据。

3.Promate phagocytose function of macrophages in the abdominal cavity.

促进腹腔巨噬细胞的吞噬功能；

4.Conclusion the binding between TACO and cell membrane is non-actin related. The result can provide evidence for exploring the function of TACO at the early stage of cell phagocytose.

结论TACO与细胞膜具有非依赖肌动蛋白方式的结合，这一结果为阐释TACO在细胞吞噬初始阶段的功能提供了有力的实验依据。

5.The ability of amoebocytes from snails of both localities to phagocytose sheep red blood cells was confirmed in vitro.

两地螺的阿米巴细胞均具有体外吞噬羊红细胞的能力。

6.In laboratory studies, scientists observed how neutrophils phagocytose bacteria.

在实验室研究中，科学家观察到中性粒细胞如何吞噬细菌。

7.White blood cells can phagocytose pathogens to protect the body from infections.

白血球可以吞噬病原体，以保护身体免受感染。

8.The process by which amoebas phagocytose their food is essential for their survival.

变形虫通过吞噬食物的过程对其生存至关重要。

9.During an immune response, macrophages phagocytose debris and dead cells.

在免疫反应中，巨噬细胞吞噬碎片和死亡细胞。

10.Certain bacteria have evolved mechanisms to avoid being phagocytosed by immune cells.

某些细菌已经进化出避免被吞噬的机制，以躲避免疫细胞。

作文

In the realm of biology, the term phagocytose refers to the process by which certain cells, known as phagocytes, engulf and digest foreign particles, bacteria, or dying cells. This vital mechanism is part of the immune response, helping our bodies to defend against infections and maintain overall health. Understanding how this process works can provide insight into the complex interactions that sustain life and protect us from pathogens.Phagocytosis begins when a phagocyte identifies a harmful particle in its environment. This recognition is often facilitated by receptors on the surface of the phagocyte that bind to specific molecules on the target particle. Once the particle is recognized, the phagocyte extends its membrane around it, effectively enveloping the particle in a pocket known as a phagosome. This step is critical, as it allows the phagocyte to isolate the invader from the rest of the body, preventing potential harm.After the formation of the phagosome, the next stage involves the fusion of this structure with lysosomes, which are organelles containing digestive enzymes. This fusion creates a phagolysosome, where the engulfed material is broken down into smaller, manageable components. The enzymes within the lysosomes are powerful; they can degrade proteins, lipids, and nucleic acids, ensuring that the foreign material is thoroughly dismantled. The efficiency of this process is crucial for the immune system's ability to respond swiftly to infections.Moreover, the process of phagocytose is not only limited to the destruction of pathogens. It also plays a significant role in the removal of dead or damaged cells from the body. For instance, during tissue repair, phagocytes are essential for clearing away debris, allowing for healing and regeneration. This aspect of phagocytosis highlights its importance beyond just fighting infections; it is also vital for maintaining homeostasis within the body.One fascinating aspect of phagocytosis is its ability to adapt and respond to different challenges. For example, certain pathogens have evolved mechanisms to evade phagocytosis, such as producing capsules that prevent recognition or secreting toxins that inhibit phagocyte function. In response, the immune system has developed strategies to enhance phagocytic activity, such as opsonization, where antibodies coat pathogens to make them more recognizable to phagocytes. This ongoing battle between pathogens and the immune system illustrates the dynamic nature of biological interactions.In conclusion, the process of phagocytose is a fundamental component of our immune defense. By enabling phagocytes to engulf and digest harmful substances, it protects our bodies from infections and aids in tissue maintenance. A deeper understanding of phagocytosis not only reveals the intricacies of our immune system but also underscores the importance of cellular processes in sustaining life. As research continues to uncover the complexities of this phenomenon, we gain valuable insights that could lead to improved medical treatments and a better understanding of various diseases. Therefore, appreciating the role of phagocytose in our bodies is essential for anyone interested in the field of biology and medicine.

在生物学领域，术语phagocytose指的是某些细胞（称为吞噬细胞）吞噬和消化外来颗粒、细菌或死亡细胞的过程。这一重要机制是免疫反应的一部分，帮助我们的身体抵御感染并维持整体健康。理解这一过程的运作可以提供对维持生命和保护我们免受病原体侵害的复杂相互作用的深入见解。吞噬作用始于吞噬细胞识别其环境中的有害颗粒。这种识别通常通过吞噬细胞表面的受体与目标颗粒上的特定分子结合来促进。一旦颗粒被识别，吞噬细胞便会将其膜延伸包裹住它，有效地将颗粒包裹在一个称为吞噬泡的口袋中。这一步骤至关重要，因为它使吞噬细胞能够将入侵者与身体其他部分隔离，从而防止潜在的伤害。在吞噬泡形成后，下一阶段涉及吞噬泡与含有消化酶的细胞器——溶酶体的融合。这一融合形成了吞噬溶酶体，在这里，吞噬的材料被分解成更小的可处理组分。溶酶体内的酶非常强大；它们可以降解蛋白质、脂质和核酸，确保外来材料被彻底拆解。这个过程的效率对于免疫系统迅速应对感染的能力至关重要。此外，phagocytose的过程不仅限于消灭病原体。它在清除身体内死去或受损细胞方面也发挥着重要作用。例如，在组织修复过程中，吞噬细胞对于清除碎片至关重要，这样才能进行愈合和再生。吞噬作用的这一方面突显了其在抗击感染之外的重要性；它对维持体内稳态也是至关重要的。吞噬作用的一个迷人之处在于其适应和应对不同挑战的能力。例如，某些病原体已经进化出逃避吞噬作用的机制，例如产生胶囊以防止识别或分泌毒素以抑制吞噬细胞功能。作为回应，免疫系统已经发展出增强吞噬活性的策略，例如调理作用，其中抗体包裹病原体，使其更容易被吞噬细胞识别。这种病原体与免疫系统之间的持续斗争说明了生物相互作用的动态特性。总之，phagocytose的过程是我们免疫防御的基本组成部分。通过使吞噬细胞能够吞噬和消化有害物质，它保护我们的身体免受感染，并有助于组织维护。对吞噬作用的深入理解不仅揭示了我们免疫系统的复杂性，还强调了细胞过程在维持生命中的重要性。随着研究不断揭示这一现象的复杂性，我们获得了宝贵的见解，这可能导致改进的医疗治疗和对各种疾病的更好理解。因此，欣赏phagocytose在我们身体中的作用，对于任何对生物学和医学领域感兴趣的人来说都是至关重要的。