metathorax

简明释义

英[ˈmetəˌθɔːræks]美[ˌmetəˈθoʊræks]

n. [昆] 后胸

复 数 m e t a t h o r a x e s 或 m e t a t h o r a c e s

英英释义

单词用法

同义词

反义词

例句

1.The anatomy of the metathorax can vary significantly among different species of beetles.

不同种类的甲虫中，后胸的解剖结构可能会有显著差异。

2.In many insects, the metathorax houses important muscles that facilitate movement.

在许多昆虫中，后胸内有重要的肌肉，促进运动。

3.The insect's wings are attached to the metathorax, which is crucial for flight.

昆虫的翅膀附着在后胸上，这对飞行至关重要。

4.Entomologists study the metathorax to understand the evolutionary adaptations of insects.

昆虫学家研究后胸以理解昆虫的进化适应。

5.The metathorax plays a key role in the attachment of the hind legs in grasshoppers.

后胸在蚱蜢的后腿连接中起着关键作用。

作文

The study of insect anatomy is a fascinating subject that offers insights into the complexity and diversity of life forms on our planet. One of the key components of an insect's body is its thorax, which is divided into three segments: the prothorax, mesothorax, and metathorax. The metathorax is the third segment of the thorax and plays a crucial role in the locomotion and physiology of insects. It is located behind the mesothorax and is often associated with the hind legs and hind wings of the insect. Understanding the structure and function of the metathorax is essential for entomologists and anyone interested in the biological sciences.Insects are among the most diverse groups of organisms on Earth, with millions of species adapted to various environments. The thorax, including the metathorax, is vital for their movement. The metathorax houses the muscles that control the hind legs, which are essential for jumping, running, or swimming, depending on the insect's habitat. For instance, grasshoppers have powerful hind legs that allow them to leap great distances, and this ability is largely due to the muscular structure found in the metathorax.Another interesting aspect of the metathorax is its relationship with the insect's wings. In many flying insects, the metathorax supports the hind wings, which are crucial for flight. The coordination between the forewings and hind wings during flight is a remarkable example of evolutionary adaptation. In some species, such as bees and butterflies, the metathorax is specially adapted to enhance flight efficiency, allowing these insects to maneuver skillfully through the air.Moreover, the metathorax can also be involved in various behavioral adaptations. For example, certain beetles have evolved unique structures in their metathorax that aid in defense mechanisms, allowing them to escape predators quickly. The ability to adapt the metathorax for different functions illustrates the incredible versatility of insect anatomy and how it has evolved over millions of years.In conclusion, the metathorax is more than just a structural component of an insect; it is a vital element that contributes to the insect's mobility, flight, and survival strategies. By studying the metathorax, scientists can gain a deeper understanding of insect physiology and the evolutionary processes that shape the diversity of life on Earth. The intricate design of the metathorax exemplifies the wonders of nature, reminding us of the complexity and beauty found within even the smallest creatures. As we continue to explore the world of insects, the importance of the metathorax will undoubtedly remain a significant focus of research and discovery, shedding light on the remarkable adaptations that have allowed insects to thrive in almost every environment imaginable.

昆虫解剖学的研究是一个迷人的主题，它为我们提供了对地球上生命形式的复杂性和多样性的深入了解。昆虫身体的一个关键组成部分是其胸部，该胸部分为三个部分：前胸、中胸和后胸。后胸是胸部的第三个部分，在昆虫的运动和生理中起着至关重要的作用。它位于中胸的后面，通常与昆虫的后腿和后翅相关联。理解后胸的结构和功能对于昆虫学家和任何对生物科学感兴趣的人来说都是至关重要的。昆虫是地球上最丰富多样的生物群体之一，拥有数百万种适应不同环境的物种。胸部，包括后胸，对它们的运动至关重要。后胸包含控制后腿的肌肉，这些肌肉对于跳跃、奔跑或游泳至关重要，这取决于昆虫的栖息地。例如，蚂蚱有强壮的后腿，可以让它们跳得很远，而这种能力在很大程度上归功于后胸中的肌肉结构。后胸的另一个有趣方面是它与昆虫翅膀的关系。在许多飞行昆虫中，后胸支撑着后翅，而后翅对飞行至关重要。在飞行过程中，前翅和后翅之间的协调是进化适应的一个显著例子。在某些物种中，例如蜜蜂和蝴蝶，后胸被特别改造以提高飞行效率，使这些昆虫能够灵活地在空中飞行。此外，后胸还可能参与各种行为适应。例如，某些甲虫在其后胸中进化出了独特的结构，有助于防御机制，使它们能够迅速逃脱捕食者。将后胸适应于不同功能的能力展示了昆虫解剖学的惊人多样性，以及它在数百万年中如何演变。总之，后胸不仅仅是昆虫的一个结构组成部分；它是一个重要的元素，促进了昆虫的移动性、飞行和生存策略。通过研究后胸，科学家可以更深入地了解昆虫生理学及塑造地球生命多样性的进化过程。后胸的复杂设计体现了自然的奇迹，提醒我们即使在最小的生物中也能发现复杂性和美丽。随着我们继续探索昆虫世界，后胸的重要性无疑将继续成为研究和发现的一个重要焦点，揭示出使昆虫能够在几乎所有可想象的环境中繁荣生存的显著适应性。