ectoparasite

简明释义

英[ˌektəʊˈpærəsaɪt]美[ˌektəˈpærəˌsaɪt]

n. 体表寄生虫

英英释义

单词用法

同义词

反义词

例句

1.Conclusion: Species richness and abundance indices varied significantly in different types of ectoparasite communities among different hosts.

结论：鼠类体外各寄生虫群落物种丰富度和多度随宿主动物种类不同而变化较大。

2.Conclusion: Species richness and abundance indices varied significantly in different types of ectoparasite communities among different hosts.

结论：鼠类体外各寄生虫群落物种丰富度和多度随宿主动物种类不同而变化较大。

3.Within this ectoparasite complex, 17 species have previously been reported to be vectors of human disease agents.

其中17种以前已经被证明是人类疾病的主要媒介。

4.Objective to grasp the community composition and structure of ectoparasite fleas on rodents in the Tarim Basin.

目的掌握塔里木盆地啮齿动物体外寄生蚤的群落组成和结构。

5.Fleas are a common type of ectoparasite that can infest pets.

跳蚤是常见的外寄生虫，可以寄生在宠物身上。

6.The veterinarian explained how to treat an ectoparasite infestation in dogs.

兽医解释了如何治疗狗身上的外寄生虫感染。

7.Ticks are another dangerous ectoparasite that can transmit diseases to humans.

蜱虫是另一种危险的外寄生虫，可以将疾病传播给人类。

8.Regular grooming can help detect ectoparasites early on.

定期梳理可以帮助及早发现外寄生虫。

9.Some birds have feathers that protect them from ectoparasites.

一些鸟类的羽毛可以保护它们免受外寄生虫的侵害。

作文

Ectoparasites are fascinating organisms that live on the surface of their host, deriving nutrients at the host's expense. These parasites can have significant impacts on the health and well-being of their hosts, which can range from small mammals to large animals, including humans. The term ectoparasite (外寄生虫) specifically refers to parasites such as fleas, ticks, and lice, which attach themselves to the skin or fur of their hosts. Understanding the biology and behavior of ectoparasites is crucial for both ecological studies and medical research, as these organisms can transmit diseases and cause discomfort to their hosts. One of the most well-known examples of an ectoparasite is the flea. Fleas are small, wingless insects that feed on the blood of mammals and birds. Their bites can lead to itching and inflammation, and in some cases, they can transmit diseases such as the bubonic plague. Another common ectoparasite is the tick, which is known for its ability to latch onto the skin of its host and feed on blood over extended periods. Ticks are notorious for spreading Lyme disease and other serious illnesses, making them a significant concern for public health. The life cycle of ectoparasites often includes several stages, from egg to larva to adult, during which they may change hosts or environments. This adaptability allows them to thrive in various conditions, contributing to their success as parasites. Additionally, many ectoparasites have developed specialized mouthparts and behaviors that enable them to efficiently penetrate the skin of their hosts and extract blood or other bodily fluids. In terms of ecological impact, ectoparasites play a role in regulating host populations. By inflicting stress and disease on their hosts, they can influence population dynamics and community structures within ecosystems. For example, a high prevalence of ectoparasites in a wildlife population can lead to decreased reproductive success and increased mortality rates, ultimately affecting the overall health of the ecosystem. From a medical perspective, understanding ectoparasites is essential for developing effective control measures. This includes the use of insecticides, repellents, and other treatments to manage infestations in both humans and animals. Public awareness campaigns are also vital to educate people about the risks associated with ectoparasites and the importance of preventive measures, such as maintaining good hygiene and regularly checking pets for ticks and fleas. In conclusion, ectoparasites are a diverse group of organisms that have evolved to exploit their hosts for survival. Their impact on health, ecology, and disease transmission makes them a topic of great interest in both scientific research and public health. By studying ectoparasites, we can gain valuable insights into the complex interactions between species and the importance of maintaining healthy ecosystems. As we continue to learn more about these fascinating creatures, it becomes increasingly clear that they play a significant role in our world, influencing not only the lives of their hosts but also the broader environment in which they exist.

外寄生虫是生活在宿主表面上的迷人生物，以宿主的代价获取营养。这些寄生虫对宿主的健康和幸福感有显著影响，宿主可以是小型哺乳动物到大型动物，包括人类。术语ectoparasite（外寄生虫）专门指如跳蚤、蜱虫和虱子等寄生虫，它们附着在宿主的皮肤或毛发上。了解ectoparasites的生物学和行为对于生态研究和医学研究至关重要，因为这些生物可以传播疾病并给宿主带来不适。 最著名的ectoparasite例子之一是跳蚤。跳蚤是小型无翅昆虫，以哺乳动物和鸟类的血液为食。它们的叮咬会导致瘙痒和炎症，在某些情况下，它们还可能传播如黑死病等疾病。另一个常见的ectoparasite是蜱虫，以其能够附着在宿主皮肤上并长时间吸血而闻名。蜱虫因传播莱姆病和其他严重疾病而臭名昭著，使其成为公共卫生的重要关注点。 ectoparasites的生命周期通常包括几个阶段，从卵到幼虫再到成虫，在此期间它们可能会更换宿主或环境。这种适应能力使它们能够在各种条件下生存，促进了它们作为寄生虫的成功。此外，许多ectoparasites已经发展出专门的口器和行为，使它们能够有效地穿透宿主的皮肤并提取血液或其他体液。 在生态影响方面，ectoparasites在调节宿主种群中发挥作用。通过对宿主施加压力和传播疾病，它们可以影响种群动态和生态系统内的社区结构。例如，野生动物种群中高流行率的ectoparasites可能导致繁殖成功率降低和死亡率增加，最终影响生态系统的整体健康。 从医学角度来看，了解ectoparasites对制定有效控制措施至关重要。这包括使用杀虫剂、驱虫剂和其他治疗方法来管理人类和动物的感染。公众意识宣传也至关重要，以教育人们关于与ectoparasites相关的风险，以及保持良好卫生和定期检查宠物是否有跳蚤和蜱虫的重要性。 总之，ectoparasites是一类多样化的生物，已进化出利用宿主生存的能力。它们对健康、生态和疾病传播的影响使它们成为科学研究和公共卫生领域极具兴趣的话题。通过研究ectoparasites，我们可以获得有关物种之间复杂相互作用和维持健康生态系统重要性的宝贵见解。随着我们对这些迷人生物的了解不断加深，越来越清楚的是，它们在我们的世界中扮演着重要角色，不仅影响宿主的生活，还影响它们存在的更广泛环境。