furcula

简明释义

英[ˈfɜːkjʊlə]美[ˈfɜːrkjələ]

n. [昆]叉突；[昆]弹器（等于 furculum）

复 数 f u r c u l a e

英英释义

单词用法

同义词

反义词

例句

1.The bird's furcula 叉状骨 acts like a spring, helping it to fly more efficiently.

这只鸟的furcula 叉状骨像弹簧一样，帮助它更有效地飞行。

2.In paleontology, the presence of a furcula 叉状骨 can indicate that the specimen is related to modern birds.

在古生物学中，furcula 叉状骨的存在可以表明该标本与现代鸟类有关。

3.During the dissection, we noted the structure of the furcula 叉状骨 in the chicken.

在解剖过程中，我们注意到鸡的furcula 叉状骨的结构。

4.The furcula 叉状骨 is often referred to as the wishbone in culinary contexts.

在烹饪上下文中，furcula 叉状骨通常被称为许愿骨。

5.Birds use their furcula 叉状骨 to stabilize their wings during flight.

鸟类利用它们的furcula 叉状骨在飞行中稳定翅膀。

作文

In the fascinating world of biology, many terms describe unique anatomical structures that contribute to the diversity of life on our planet. One such term is furcula, which refers to a forked structure found in certain animals, particularly birds and some reptiles. The furcula is commonly known as the wishbone, and it plays a crucial role in the mechanics of flight. This unique bone is formed by the fusion of two clavicles, creating a sturdy yet flexible structure that supports the bird's wings during flight. Understanding the function and significance of the furcula can provide insights into the evolutionary adaptations that have enabled birds to conquer the skies. The furcula serves multiple purposes beyond just supporting flight. It acts as a spring, absorbing the stress and strain that occurs during wing flapping. This elasticity allows birds to maintain their energy efficiency while flying, which is essential for long migrations or sustained flight. Additionally, the furcula helps to stabilize the shoulder joints, ensuring that the wings remain properly aligned and functional. Without this remarkable adaptation, birds would struggle to achieve the level of agility and control required for aerial maneuvers. Interestingly, the presence of a furcula is not exclusive to birds. Some dinosaurs, particularly theropods, also exhibited this unique bone structure. Paleontologists have studied fossilized remains of these ancient creatures to understand how the furcula contributed to their ability to move and possibly even fly. This connection between modern birds and their dinosaur ancestors highlights the evolutionary significance of the furcula and provides a glimpse into the history of vertebrate evolution. Moreover, the study of the furcula extends beyond anatomy into the realm of ecology and behavior. Birds with well-developed furcula structures often exhibit different flight patterns and behaviors compared to those without. For instance, species that rely on quick bursts of speed may have a more robust furcula to support rapid wingbeats, while those that glide may have a more elongated and flexible version. These variations reflect the diverse strategies birds use to adapt to their environments, showcasing the intricate relationship between form and function. In conclusion, the furcula is a remarkable anatomical feature that exemplifies the complexity of avian physiology. It not only facilitates flight but also offers a window into the evolutionary history of birds and their relatives. By studying the furcula, we gain a deeper appreciation for the adaptations that have allowed birds to thrive in various habitats across the globe. As we continue to explore the wonders of biology, the furcula stands as a testament to the ingenuity of nature and the intricate designs that have emerged through millions of years of evolution.

在生物学的迷人世界中，许多术语描述了独特的解剖结构，这些结构为我们星球上生命的多样性做出了贡献。一个这样的术语是furcula，它指的是某些动物，特别是鸟类和一些爬行动物中发现的叉状结构。furcula通常被称为愿望骨，它在飞行力学中发挥着至关重要的作用。这种独特的骨头由两根锁骨的融合形成，创造出一种坚固而灵活的结构，支持鸟类在飞行中的翅膀。理解furcula的功能和重要性可以提供对进化适应的洞察，这些适应使鸟类能够征服天空。 furcula不仅仅支持飞行，还具有多重用途。它充当弹簧，吸收在拍打翅膀过程中发生的压力和应变。这种弹性使鸟类在飞行时保持能量效率，这对于长途迁徙或持续飞行至关重要。此外，furcula有助于稳定肩关节，确保翅膀保持正确的对齐和功能。没有这种显著的适应，鸟类将难以实现所需的敏捷性和控制能力，以进行空中机动。 有趣的是，furcula的存在并不仅限于鸟类。一些恐龙，特别是兽脚类恐龙，也展现了这种独特的骨结构。古生物学家研究这些古代生物的化石遗骸，以了解furcula如何促进它们的移动，甚至可能飞行。这种现代鸟类与其恐龙祖先之间的联系突显了furcula的进化重要性，并提供了脊椎动物进化历史的瞥见。 此外，furcula的研究不仅涉及解剖学，还延伸到生态学和行为领域。拥有发达furcula结构的鸟类通常表现出与没有此结构的鸟类不同的飞行模式和行为。例如，依赖快速爆发速度的物种可能会有更强健的furcula来支持快速的翅膀拍打，而那些滑翔的物种可能会有更细长和灵活的版本。这些变化反映了鸟类用以适应其环境的多样策略，展示了形式与功能之间错综复杂的关系。 总之，furcula是一个显著的解剖特征，体现了鸟类生理的复杂性。它不仅促进飞行，还为我们提供了鸟类及其亲属进化历史的窗口。通过研究furcula，我们加深了对使鸟类在全球各种栖息地中茁壮成长的适应能力的欣赏。随着我们继续探索生物学的奇迹，furcula作为自然智慧和经过数百万年进化而产生的复杂设计的证明，屹立不倒。