epicuticle

简明释义

英[ˈepɪˌkjuːtɪk(ə)l]美[ˌepɪˈkjʊtɪkəl]

n. [昆] 上表皮（指昆虫外表皮或外骨骼外部蜡质层）

英英释义

单词用法

同义词

反义词

例句

1.The epicuticle overlying the gland is smooth and lack of scales.

覆盖分泌腺的表皮表面光滑，无鳞片和毛状突起。

2.The epicuticle overlying the gland is smooth and lack of scales.

覆盖分泌腺的表皮表面光滑，无鳞片和毛状突起。

3.The epicuticle is dense and relatively uniform in thickness.

上表皮致密，较薄，厚度均匀。

4.The epicuticle i3 dense and relatively uniform in thickness.

上表皮致密，较薄，厚度均匀。

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

表皮可分二层：上表皮和内表皮。

6.The outer layer of the insect's exoskeleton, known as the epicuticle, provides protection against environmental factors.

昆虫外骨骼的外层被称为表皮层，它能提供对环境因素的保护。

7.In many arthropods, the epicuticle is made of wax, which helps reduce water loss.

在许多节肢动物中，表皮层由蜡质构成，有助于减少水分流失。

8.The epicuticle plays a crucial role in preventing desiccation in terrestrial insects.

表皮层在防止陆地昆虫干燥方面起着至关重要的作用。

9.Researchers study the epicuticle to understand how insects adapt to different climates.

研究人员研究表皮层以了解昆虫如何适应不同的气候。

10.The epicuticle can vary in thickness depending on the species of the insect.

表皮层的厚度可能因昆虫的物种而异。

作文

The world of biology is filled with fascinating structures and systems that allow organisms to thrive in their environments. One such structure is the epicuticle, a crucial component of the exoskeleton found in many arthropods, including insects. The epicuticle is the outermost layer of the cuticle, which serves as a protective barrier against environmental factors such as desiccation, pathogens, and physical damage. Understanding the epicuticle is essential for comprehending how these creatures survive and adapt to their surroundings. The epicuticle is primarily composed of lipids and proteins, making it waterproof and resistant to various chemicals. This feature is particularly important for terrestrial insects, as it helps prevent water loss in dry environments. Without the epicuticle, insects would be vulnerable to dehydration, which could severely impact their survival. In fact, many species have evolved specific adaptations related to their epicuticle to better cope with their habitats. For instance, some insects produce a thicker epicuticle when living in arid regions, while others may secrete additional waxes to enhance its protective properties. In addition to its role in preventing water loss, the epicuticle also plays a vital role in communication and reproduction among insects. Many species utilize chemical signals known as pheromones, which are often secreted through the epicuticle. These pheromones can convey information about mating readiness, territory boundaries, or even alarm signals to warn others of danger. Thus, the epicuticle is not merely a passive barrier but an active participant in the social lives of insects. Moreover, the epicuticle can influence the way insects interact with their environment. For example, some insects have developed specialized epicuticle structures that allow them to cling to surfaces or even walk on water. The unique properties of the epicuticle enable these adaptations, showcasing the intricate relationship between structure and function in biological systems. Research into the epicuticle has also provided insights into potential applications in various fields, including materials science and medicine. By studying the composition and properties of the epicuticle, scientists aim to develop new materials that mimic its waterproof and protective qualities. Such innovations could lead to advancements in waterproof clothing, medical bandages, and even bio-inspired engineering solutions. In conclusion, the epicuticle is a remarkable structure that plays multiple roles in the lives of arthropods. Its functions extend beyond mere protection; it is integral to survival, communication, and adaptation. As we continue to explore the complexities of biological systems, the epicuticle serves as a reminder of nature's ingenuity and the interconnectedness of life. By understanding such structures, we can gain a deeper appreciation for the diversity of life on Earth and the evolutionary strategies that have enabled organisms to flourish in a wide range of environments.

生物学的世界充满了迷人的结构和系统，使生物体能够在其环境中茁壮成长。其中一个结构是表皮层，这是许多节肢动物（包括昆虫）外骨骼的重要组成部分。表皮层是角质层的最外层，作为防护屏障，抵御环境因素，如干燥、病原体和物理损伤。理解表皮层对于理解这些生物如何在其周围环境中生存和适应至关重要。 表皮层主要由脂类和蛋白质组成，使其具有防水性和对各种化学物质的抵抗力。这一特性对于陆生昆虫尤为重要，因为它有助于防止在干燥环境中失水。没有表皮层，昆虫将容易受到脱水的影响，这可能严重影响它们的生存。事实上，许多物种已经进化出与其表皮层相关的特定适应，以更好地应对其栖息地。例如，一些昆虫在生活在干旱地区时会产生更厚的表皮层，而其他昆虫则可能分泌额外的蜡以增强其保护特性。 除了防止水分流失的作用外，表皮层在昆虫之间的交流和繁殖中也发挥着重要作用。许多物种利用称为信息素的化学信号，这些信号通常通过表皮层分泌。这些信息素可以传达关于交配准备、领土边界甚至警报信号的信息，以警告其他昆虫危险。因此，表皮层不仅仅是一个被动的屏障，而是昆虫社会生活中的积极参与者。 此外，表皮层还可以影响昆虫与环境的互动方式。例如，一些昆虫发展出特殊的表皮层结构，使它们能够附着在表面上，甚至在水面上行走。表皮层的独特性质使这些适应成为可能，展示了生物系统中结构与功能之间的复杂关系。 对表皮层的研究还提供了对各个领域潜在应用的见解，包括材料科学和医学。通过研究表皮层的组成和特性，科学家们旨在开发模仿其防水和保护特性的材料。这些创新可能导致防水服装、医疗绷带甚至仿生工程解决方案的进步。 总之，表皮层是一个非凡的结构，在节肢动物的生活中发挥着多重作用。它的功能超越了单纯的保护；它对生存、沟通和适应至关重要。随着我们继续探索生物系统的复杂性，表皮层提醒我们自然的聪明才智和生命的相互联系。通过理解这样的结构，我们可以更深刻地欣赏地球生命的多样性以及使生物体能够在广泛环境中繁荣的进化策略。