prosternum

简明释义

英[prəˈstɜːnəm]美[prəˈstɜrnəm]

第一胸板

[昆] 前胸腹板

英英释义

单词用法

同义词

反义词

例句

1.It is deep and capacious, never shallow, with ample room for lungs and heart, carried well forward, with the prosternum showing ahead of the shoulder in profile.

胸深而宽，不浅薄，给心脏和肺部足够的空间，向前突出，从轮廓上观察，胸骨突在肩胛之前。

2.It is deep and capacious, never shallow, with ample room for lungs and heart, carried well forward, with the prosternum showing ahead of the shoulder in profile.

胸深而宽，不浅薄，给心脏和肺部足够的空间，向前突出，从轮廓上观察，胸骨突在肩胛之前。

3.The prosternum is often used as a reference point for measuring other body parts in entomology.

在昆虫学中，前胸通常用作测量其他身体部位的参考点。

4.In many beetle species, the shape of the prosternum can help in identifying the species.

在许多甲虫物种中，前胸的形状可以帮助识别物种。

5.The anatomy of the insect includes a hard shell covering the prosternum, which provides protection and support.

昆虫的解剖结构包括覆盖在前胸上的坚硬外壳，提供保护和支撑。

6.When studying the morphology of insects, the structure of the prosternum is crucial.

在研究昆虫形态时，前胸的结构至关重要。

7.The prosternum's surface may exhibit unique textures that are important for species identification.

前胸的表面可能会呈现出独特的纹理，这对物种识别非常重要。

作文

The term prosternum refers to a specific anatomical structure found in various organisms, particularly in insects and some vertebrates. In entomology, the prosternum is the part of the thorax that lies directly beneath the head, serving as an important component for attachment and movement. Understanding the prosternum is crucial for anyone studying insect morphology, as it plays a vital role in the overall functionality and mobility of these creatures. In insects, the thorax is divided into three segments: the prothorax, mesothorax, and metathorax. The prosternum is specifically associated with the prothorax, which is the first segment. This segment is often smaller than the others but is essential for the insect's ability to maneuver. For example, the prosternum can influence how an insect moves its legs and interacts with its environment. Moreover, the shape and structure of the prosternum can vary significantly among different species, reflecting their adaptations to specific habitats and lifestyles. In some insects, the prosternum may be flattened or elongated, allowing for greater stability during movement or providing a surface for the attachment of wings or other appendages. In contrast, other species may have a more rounded or robust prosternum, which aids in burrowing or climbing. Understanding the variations in the prosternum can also provide insights into the evolutionary relationships between different insect groups. By studying the morphology of the prosternum, scientists can infer how certain traits have developed over time and how they contribute to the survival of various species. This information is invaluable for taxonomists and ecologists who aim to classify and understand the biodiversity of insects. In addition to its functional significance, the prosternum also plays a role in the aesthetics of insect anatomy. Many entomologists appreciate the intricate designs found on the prosternum, which can include patterns, colors, and textures that serve both practical and communicative purposes. For instance, some insects may use the visual characteristics of their prosternum to attract mates or deter predators. Furthermore, the study of the prosternum extends beyond insects. In vertebrates, particularly in certain fish and reptiles, the prosternum can refer to similar structures that provide support and protection for the underlying organs. This highlights the universality of certain anatomical principles across different animal groups, showcasing the interconnectedness of life forms. In conclusion, the prosternum is a fascinating anatomical feature that serves multiple functions in various organisms. Its study not only enhances our understanding of insect biology but also contributes to broader discussions about evolution, ecology, and the diversity of life on Earth. As we continue to explore the complexities of anatomy and morphology, the prosternum remains a key focus for researchers seeking to unravel the mysteries of the natural world.

术语prosternum指的是在各种生物体内发现的特定解剖结构，特别是在昆虫和一些脊椎动物中。在昆虫学中，prosternum是位于头部正下方的胸部的一部分，作为附着和运动的重要组成部分。理解prosternum对任何研究昆虫形态学的人来说都是至关重要的，因为它在这些生物的整体功能性和移动性中发挥着重要作用。在昆虫中，胸部分为三个部分：前胸、中胸和后胸。prosternum特别与前胸相关，这是第一个部分。这个部分通常比其他部分小，但对于昆虫的运动能力至关重要。例如，prosternum可以影响昆虫如何移动其腿部以及如何与环境互动。此外，prosternum的形状和结构在不同物种之间可能有显著差异，反映了它们对特定栖息地和生活方式的适应。在一些昆虫中，prosternum可能是扁平或延长的，从而在运动时提供更大的稳定性或提供附着翅膀或其他附肢的表面。相反，其他物种可能具有更圆或更坚固的prosternum，这有助于挖掘或攀爬。理解prosternum的变化还可以提供关于不同昆虫群体之间进化关系的见解。通过研究prosternum的形态，科学家可以推断某些特征如何随着时间的发展而形成，以及它们如何有助于各种物种的生存。这些信息对于旨在分类和理解昆虫生物多样性的分类学家和生态学家来说是无价的。除了其功能重要性外，prosternum在昆虫解剖美学中也起着作用。许多昆虫学家欣赏prosternum上发现的复杂设计，这些设计可能包括图案、颜色和纹理，既具有实用性又具有传达目的。例如，一些昆虫可能利用其prosternum的视觉特征来吸引配偶或吓退捕食者。此外，prosternum的研究扩展到昆虫之外。在脊椎动物中，特别是在某些鱼类和爬行动物中，prosternum可以指类似的结构，这些结构为下面的器官提供支持和保护。这突显了不同动物群体之间某些解剖原则的普遍性，展示了生命形式之间的相互联系。总之，prosternum是一个迷人的解剖特征，在各种生物中发挥着多重功能。它的研究不仅增强了我们对昆虫生物学的理解，还为关于进化、生态和地球生命多样性的更广泛讨论做出了贡献。随着我们继续探索解剖学和形态学的复杂性，prosternum仍然是研究人员试图揭开自然世界奥秘的关键焦点。