endocuticle

简明释义

英[ˌɛn.doʊˈkjʊ.tɪ.kəl]美[ˌɛn.doʊˈkjʊ.tɪ.kəl]

n. [昆] 内表皮

英英释义

单词用法

同义词

反义词

例句

1.Objective: To study the effect of Ailantus Endocuticle on the isolated intestinal smooth muscle of rabbits.

目的研究椿白皮对家兔离体肠管收缩作用的影响。

2.Objective: To study the effect of Ailantus Endocuticle on the isolated intestinal smooth muscle of rabbits.

目的研究椿白皮对家兔离体肠管收缩作用的影响。

3.The cuticle has two layers: epicuticle and endocuticle.

表皮可分二层：上表皮和内表皮。

4.The structure of the insect's exoskeleton includes a layer known as the endocuticle, which provides flexibility and strength.

昆虫外骨骼的结构包括一个称为内角质层的层，提供了灵活性和强度。

5.During molting, the old endocuticle is shed to allow for the growth of a new, larger layer.

在蜕皮过程中，旧的内角质层被脱落，以便新更大的层生长。

6.The endocuticle is often composed of chitin and proteins, making it a vital component of the cuticle.

内角质层通常由几丁质和蛋白质组成，使其成为角质层的重要组成部分。

7.Researchers study the endocuticle to understand how insects adapt to different environments.

研究人员研究内角质层以了解昆虫如何适应不同的环境。

8.In crustaceans, the endocuticle plays a crucial role in providing buoyancy and protection.

在甲壳类动物中，内角质层在提供浮力和保护方面发挥着至关重要的作用。

作文

The study of biology reveals an intricate world filled with fascinating structures and functions, one of which is the exoskeleton of arthropods. Among the various components of the exoskeleton, the term endocuticle refers to a specific layer that plays a crucial role in providing strength and flexibility. The exoskeleton itself is composed of several layers, including the outermost epicuticle, the middle procuticle, and the innermost endocuticle. Understanding the composition and function of these layers can help us appreciate how these creatures thrive in their environments. The endocuticle is primarily made up of chitin, a polysaccharide that forms a tough and resilient structure. This layer is vital for the overall integrity of the exoskeleton, allowing it to withstand various physical stresses while still permitting movement. Unlike the outer epicuticle, which is relatively thin and serves as a protective barrier against water loss and pathogens, the endocuticle provides the necessary support that enables arthropods to maintain their shape and protect their internal organs. One of the most interesting aspects of the endocuticle is its ability to undergo changes during the molting process, known as ecdysis. Arthropods periodically shed their exoskeletons to grow, and during this process, the endocuticle plays a critical role. As the old exoskeleton is cast off, the new endocuticle is formed underneath, allowing the organism to expand and develop. This dynamic process highlights the importance of the endocuticle not only in providing structural support but also in facilitating growth. Moreover, the endocuticle is also involved in various physiological processes. For instance, it can assist in the storage of minerals, which are essential for the metabolic functions of the organism. Additionally, the composition of the endocuticle can vary among different species, reflecting adaptations to their respective environments. For example, some aquatic arthropods have a more flexible endocuticle to aid in swimming, while terrestrial species may have a thicker layer to provide additional protection against desiccation. In conclusion, the endocuticle is a fundamental component of the arthropod exoskeleton, contributing to both its mechanical properties and its biological functions. By studying the endocuticle and its interactions with other layers of the exoskeleton, we gain deeper insights into the evolutionary adaptations of these remarkable creatures. The complexity and versatility of the endocuticle are just a few examples of how nature has optimized the design of living organisms, ensuring their survival and success in diverse habitats. Understanding such structures not only enriches our knowledge of biology but also inspires innovations in materials science and engineering, where similar principles can be applied to create strong yet lightweight materials.

生物学的研究揭示了一个充满迷人结构和功能的复杂世界，其中之一是节肢动物的外骨骼。在外骨骼的各个组成部分中，术语endocuticle指的是一个特定的层，它在提供强度和灵活性方面发挥着至关重要的作用。外骨骼本身由几层组成，包括最外层的表皮层、中间的前皮层和最内层的endocuticle。理解这些层的组成和功能可以帮助我们欣赏这些生物如何在其环境中生存。 endocuticle主要由几丁质构成，这是一种形成坚韧和有弹性的结构的多糖。这一层对于外骨骼的整体完整性至关重要，使其能够承受各种物理压力，同时仍然允许运动。与相对薄的外表皮层不同，外表皮层作为防止水分流失和病原体侵袭的保护屏障，而endocuticle则提供了维持形状和保护内部器官所需的支持。 endocuticle最有趣的方面之一是它在蜕皮过程中（称为蜕皮）能够发生变化。节肢动物定期脱落外骨骼以生长，在此过程中，endocuticle发挥着关键作用。当旧的外骨骼被脱落时，新的endocuticle在其下方形成，使生物能够扩展和发育。这个动态过程突显了endocuticle的重要性，不仅在提供结构支持方面，而且在促进生长方面。 此外，endocuticle还参与各种生理过程。例如，它可以帮助储存矿物质，这对生物的代谢功能至关重要。此外，endocuticle的组成可能因不同物种而异，反映出它们对各自环境的适应。例如，一些水生节肢动物具有更灵活的endocuticle以帮助游泳，而陆生物种可能有更厚的层以提供额外的保护，防止脱水。 总之，endocuticle是节肢动物外骨骼的基本组成部分，既有助于其机械性能，也有助于其生物功能。通过研究endocuticle及其与外骨骼其他层的相互作用，我们可以更深入地了解这些非凡生物的进化适应性。endocuticle的复杂性和多样性只是自然优化生物设计的几个例子，确保它们在不同栖息地的生存和成功。理解这样的结构不仅丰富了我们对生物学的知识，也激励了材料科学和工程领域的创新，在这些领域中，类似的原则可以应用于创建强大而轻便的材料。