exocuticle

简明释义

英[/ˌɛksoʊˈkjutɪkəl/]美[/ˌɛksoʊˈkjutɪkəl/]

n. 外角皮；外角质层；外小皮

英英释义

单词用法

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反义词

例句

1.In exocuticle, only two kinds of cells were observed: common columnar epithelioid cells and cells with piles of mitochondria.

在外表皮中只观察到一般的柱状表皮细胞和胞质中具有成群线粒体的细胞两类。

2.In exocuticle, only two kinds of cells were observed: common columnar epithelioid cells and cells with piles of mitochondria.

在外表皮中只观察到一般的柱状表皮细胞和胞质中具有成群线粒体的细胞两类。

3.The outer layer of the insect's shell is called the exocuticle, which provides protection against environmental hazards.

昆虫外壳的外层称为外角质层，它提供了对环境危害的保护。

4.In crustaceans, the exocuticle plays a crucial role in maintaining structural integrity during molting.

在甲壳类动物中，外角质层在蜕皮过程中维持结构完整性方面起着至关重要的作用。

5.Research shows that the thickness of the exocuticle can vary significantly among different species of beetles.

研究表明，不同种类的甲虫之间，外角质层的厚度可以有显著差异。

6.The exocuticle is composed mainly of chitin and proteins, which contribute to its durability.

外角质层主要由几丁质和蛋白质组成，这使其具有耐用性。

7.When studying arthropod exoskeletons, scientists often focus on the exocuticle for its protective properties.

在研究节肢动物的外骨骼时，科学家们常常关注外角质层的保护特性。

作文

The study of insect anatomy reveals fascinating structures that play crucial roles in their survival. One such structure is the exocuticle, which forms part of the insect exoskeleton. The exoskeleton serves multiple functions, including protection against predators, prevention of desiccation, and providing structural support for the insect's body. The exocuticle is the outer layer of the cuticle, which is composed primarily of chitin and proteins. This layer is critical because it is often hardened through a process called sclerotization, making it more resilient to environmental pressures. Insects have evolved various adaptations that allow them to thrive in diverse environments, and the exocuticle is a key component of these adaptations. For instance, the thickness and composition of the exocuticle can vary significantly among different species, depending on their habitat and lifestyle. Terrestrial insects, for example, tend to have thicker exocuticles to reduce water loss, while aquatic insects may have a thinner layer to facilitate movement through water. Moreover, the exocuticle is not merely a protective barrier; it also plays a role in the insect's sensory perception. Some insects have specialized structures embedded within the exocuticle that allow them to detect vibrations or chemical signals from their environment. This sensory capability is vital for communication, finding food, and avoiding predators. The importance of the exocuticle extends beyond individual insects; it also has ecological implications. As insects interact with their environment, the integrity of their exocuticle can influence their role in ecosystems. For example, insects with robust exocuticles may be better equipped to survive in harsh conditions, thus maintaining their populations and contributing to biodiversity. In addition to its biological significance, the exocuticle has garnered interest in materials science and engineering. Researchers are studying the properties of the exocuticle to inspire the development of new materials that mimic its strength and flexibility. Such innovations could lead to advancements in various fields, including robotics, where lightweight yet durable materials are essential. In conclusion, the exocuticle is a remarkable feature of insect anatomy that serves multiple vital functions. Its role in protection, sensory perception, and ecological interactions underscores the complexity of insect life. As we continue to explore the intricacies of the exocuticle and its applications, we gain deeper insights into both the natural world and potential technological advancements. Understanding the exocuticle not only enriches our knowledge of entomology but also opens doors to innovative solutions inspired by nature.

对昆虫解剖学的研究揭示了许多在生存中发挥重要作用的迷人结构。其中一个结构是外角质层，它是昆虫外骨骼的一部分。外骨骼具有多种功能，包括保护免受捕食者的侵害、防止干燥以及为昆虫的身体提供结构支持。外角质层是角质的外层，主要由几丁质和蛋白质组成。这个层次至关重要，因为它通常通过一种称为硬化的过程变得更加坚硬，从而使其更能抵御环境压力。 昆虫已经进化出各种适应性，使它们能够在多样的环境中生存，而外角质层是这些适应性的关键组成部分。例如，外角质层的厚度和成分在不同物种之间可能会显著变化，具体取决于它们的栖息地和生活方式。例如，陆生昆虫往往具有更厚的外角质层以减少水分流失，而水生昆虫则可能拥有较薄的层以促进在水中的运动。 此外，外角质层不仅仅是一个保护屏障；它在昆虫的感官感知中也起着重要作用。一些昆虫在其外角质层内部嵌入了特殊结构，使它们能够检测来自环境的振动或化学信号。这种感官能力对于交流、寻找食物和避免捕食者至关重要。 外角质层的重要性不仅限于个体昆虫；它还具有生态意义。当昆虫与其环境相互作用时，它们的外角质层的完整性可能会影响它们在生态系统中的角色。例如，具有坚固外角质层的昆虫可能更能在恶劣条件下生存，从而维持其种群并为生物多样性做出贡献。 除了生物学意义外，外角质层还引起了材料科学和工程领域的关注。研究人员正在研究外角质层的特性，以激发新材料的开发，这些材料模仿其强度和灵活性。这种创新可能会推动多个领域的进步，包括机器人技术，在这些领域中，轻便但耐用的材料至关重要。 总之，外角质层是昆虫解剖学中一个显著的特征，具有多种重要功能。它在保护、感知和生态互动中的作用突显了昆虫生活的复杂性。随着我们继续探索外角质层的细微差别及其应用，我们将深入了解自然世界和潜在的技术进步。理解外角质层不仅丰富了我们对昆虫学的知识，还为受到自然启发的创新解决方案打开了大门。