merozoite

简明释义

英[ˌmerəʊˈzəʊaɪt]美[ˌmerəˈzoʊˌaɪt]

n. [无脊椎] 裂殖子，裂体性孢子

英英释义

单词用法

同义词

反义词

例句

1.There were 22 microtubules originated from the polar ring, and extended alongside the inner pellicular complex to the posterior end of the merozoite.

有22根微管发自极环，沿内膜复合体向体后延伸至尾端。

2.Major merozoite surface antigen-1, P195, is found to have ability to bind to human erythrocyte. The binding is the base of recognition of merozoite to erythrocyte.

恶性疟原虫裂殖子表面主要蛋白- 1，又称P 195，与人红细胞膜具有结合作用，这种结合是裂殖子识别红细胞的基础。

3.Major merozoite surface antigen-1, P195, is found to have ability to bind to human erythrocyte. The binding is the base of recognition of merozoite to erythrocyte.

恶性疟原虫裂殖子表面主要蛋白- 1，又称P 195，与人红细胞膜具有结合作用，这种结合是裂殖子识别红细胞的基础。

4.The merozoite membrane separated from the plasma, broke and was vague.

限制膜外突和细胞质分离形成空隙，膜结构模糊，有破损；

5.Understanding the biology of the merozoite can help in developing new treatments for malaria.

理解裂殖子的生物学有助于开发新的疟疾治疗方法。

6.Researchers are studying how the merozoite evades the immune system.

研究人员正在研究裂殖子是如何逃避免疫系统的。

7.The merozoite stage is crucial for the propagation of the malaria parasite.

在疟疾寄生虫的传播过程中，裂殖子阶段至关重要。

8.After invading red blood cells, the merozoite replicates and causes cell lysis.

在侵入红血球后，裂殖子进行复制并导致细胞溶解。

9.The life cycle of malaria involves the transformation of the sporozoite into a merozoite in the liver.

疟疾的生命周期涉及到在肝脏中将孢子体转变为裂殖子。

作文

In the study of parasitology, the term merozoite refers to a specific stage in the life cycle of certain protozoan parasites, particularly those belonging to the genus Plasmodium, which is responsible for malaria. Understanding the role of merozoite is crucial for grasping how these parasites infect their hosts and propagate within them. The merozoite is formed when the parasite undergoes asexual reproduction in the liver cells of its host, following the initial infection by sporozoites, which are introduced into the bloodstream through the bite of an infected mosquito.Once the sporozoites reach the liver, they invade hepatocytes and multiply, ultimately bursting these cells to release thousands of merozoites into the bloodstream. This release marks a significant transition in the life cycle of the parasite, as the merozoites then seek out red blood cells to invade. The invasion of red blood cells is where the merozoite demonstrates its remarkable ability to adapt and survive within the host. After entering a red blood cell, the merozoite develops into a trophozoite, which feeds on the hemoglobin present within the cell. This feeding process leads to the destruction of the red blood cell, causing anemia and other symptoms associated with malaria.The life cycle of the merozoite does not end with the destruction of red blood cells; instead, it continues to replicate. Each merozoite can undergo further asexual reproduction, leading to the formation of new merozoites that can invade additional red blood cells. This cycle of invasion and replication is what makes malaria such a devastating disease, as the rapid multiplication of merozoites can overwhelm the host's immune system and lead to severe health complications.In addition to its role in the life cycle, the merozoite stage is also critical for the development of malaria vaccines. Researchers are focusing on the antigens present on the surface of merozoites to create effective immunizations. By targeting these antigens, it may be possible to prevent the merozoite from successfully invading red blood cells, thereby interrupting the life cycle of the parasite and reducing the incidence of malaria.Moreover, understanding the biology of merozoites can aid in the development of new therapeutic strategies. Antimalarial drugs often target various stages of the Plasmodium life cycle, but many of them are designed to kill merozoites specifically. By studying how merozoites evade the immune response and develop drug resistance, scientists can work towards more effective treatments.In conclusion, the merozoite plays a pivotal role in the transmission and pathology of malaria. Its ability to invade red blood cells and replicate rapidly contributes to the severity of the disease. Understanding the life cycle of the merozoite not only enhances our knowledge of parasitic infections but also informs the ongoing efforts to combat malaria through vaccination and drug development. As research continues, the hope is that we will find innovative ways to disrupt the life cycle of the merozoite and ultimately reduce the burden of this ancient and deadly disease.

在寄生虫学研究中，术语merozoite指的是某些原生动物寄生虫生命周期中的特定阶段，特别是属于疟原虫属的寄生虫，该属是导致疟疾的罪魁祸首。理解merozoite的作用对于掌握这些寄生虫如何感染宿主并在其内部繁殖至关重要。merozoite是在寄生虫通过无性繁殖在宿主的肝细胞中形成的，紧随其后的是由感染蚊子通过叮咬引入的孢子虫。一旦孢子虫到达肝脏，它们就会侵入肝细胞并进行繁殖，最终破裂这些细胞以释放成千上万的merozoites进入血液。这一释放标志着寄生虫生命周期中的一个重要转折点，因为merozoites随后寻找红血球进行侵入。merozoite在侵入红血球时展现了其适应和在宿主体内生存的卓越能力。进入红血球后，merozoite发育成营养体，利用细胞内存在的血红蛋白进行营养。这一摄取过程导致红血球的破坏，引起贫血及与疟疾相关的其他症状。merozoite的生命周期并不止于红血球的破坏；相反，它继续繁殖。每个merozoite可以进一步进行无性繁殖，形成新的merozoites，可以侵入其他红血球。这种侵入和繁殖的循环使得疟疾成为一种毁灭性的疾病，因为merozoites的快速增殖可以压倒宿主的免疫系统，并导致严重的健康并发症。除了在生命周期中的作用外，merozoite阶段对于疟疾疫苗的发展也至关重要。研究人员正在关注merozoites表面存在的抗原，以创建有效的免疫接种。通过针对这些抗原，可能有可能防止merozoite成功侵入红血球，从而打断寄生虫的生命周期，减少疟疾的发生率。此外，了解merozoites的生物学可以帮助开发新的治疗策略。抗疟药物通常针对疟原虫生命周期的各个阶段，但许多药物专门设计用于杀死merozoites。通过研究merozoites如何逃避免疫反应和发展药物耐药性，科学家可以朝着更有效的治疗方案努力。总之，merozoite在疟疾的传播和病理中扮演着关键角色。它侵入红血球和快速繁殖的能力加剧了疾病的严重性。理解merozoite的生命周期不仅增强了我们对寄生虫感染的认识，而且为通过疫苗接种和药物开发来对抗疟疾的持续努力提供了信息。随着研究的继续，希望我们能够找到创新的方法来干扰merozoite的生命周期，最终减少这种古老而致命疾病的负担。