spicule

简明释义

英[ˈspɪkjuːl]美[ˈspɪkjʊl]

n. 针状物；（海绵等的）骨针

英英释义

单词用法

同义词

反义词

例句

1.The structure and mechanical properties of silica sponge spicule found in China Bo-hai were studied.

研究了我国渤海海域发现的一种硅质海绵骨针的结构和力学性能。

2.There is reactive new bone with pale pink osteoid being laid down next to a bony spicule at the upper left.

并有反应性的新骨生成，在靠近左上部骨板处呈现淡红色类骨质。

3.A few years ago, a new kind of faster, shorter-lived spicule was discovered.

过去几年中，一种快速而短寿的新型针状体被发现。

4.The characters including spicule morphology and elemental compositions, chemical constituents and bioactivity of the marine sponge were studied.

研究了海绵骨针形态、元素组成等特征，并对其天然产物进行了分离纯化、结构鉴定和活性检测。

5.The characters including spicule morphology and elemental compositions, chemical constituents and bioactivity of the marine sponge were studied.

研究了海绵骨针形态、元素组成等特征，并对其天然产物进行了分离纯化、结构鉴定和活性检测。

6.In certain types of algae, spicules (针状体) play a role in buoyancy and stability in water.

在某些类型的藻类中，spicules(针状体)在水中的浮力和稳定性中发挥作用。

7.The marine biologist studied the structure of the sponge, noting the presence of tiny spicules (针状体) that provided support.

海洋生物学家研究了海绵的结构，注意到存在微小的spicules(针状体)，提供了支撑。

8.The paleontologist discovered fossilized spicules (针状体) from ancient sea creatures during the excavation.

古生物学家在挖掘过程中发现了来自古代海洋生物的化石化spicules(针状体)。

9.Some species of sponges have spicules (针状体) made of silica, which contribute to their rigidity.

一些海绵物种的spicules(针状体)由二氧化硅构成，这使它们更加坚固。

10.Under the microscope, the spicules (针状体) of the coral were clearly visible, showcasing their intricate design.

在显微镜下，珊瑚的spicules(针状体)清晰可见，展示了其复杂的设计。

作文

In the realm of biology and geology, the term spicule refers to a small, needle-like structure that can be found in various organisms and materials. These minute structures play a significant role in the anatomy of certain species, particularly in sponges and some types of corals. The spicule (尖刺) serves not only as a skeletal element but also provides protection against predators. Understanding the function and formation of spicules is crucial for comprehending the evolutionary adaptations of these organisms.For example, in the phylum Porifera, commonly known as sponges, spicules are made of silica or calcium carbonate. They can vary in shape and size, depending on the species. These tiny structures create a framework that supports the sponge's body, allowing it to maintain its shape and structure while filtering water for nutrients. The presence of spicules also deters potential threats, as many marine animals find them unpalatable. Thus, spicules play a dual role in providing structural integrity and defense.Moreover, spicules are not exclusive to sponges; they are also found in certain corals and even in some plants. In corals, spicules contribute to the overall rigidity of the coral structure, which is vital for withstanding ocean currents. The combination of organic tissue and spicules forms a robust skeleton that allows corals to thrive in diverse marine environments. This adaptability is one reason why coral reefs are among the most biodiverse ecosystems on the planet.The study of spicules extends beyond their biological significance; it also encompasses their geological implications. Fossilized spicules provide vital information about past marine environments and can help scientists reconstruct ancient ecosystems. By analyzing the composition and distribution of spicules in sedimentary rocks, researchers can gain insights into the conditions under which these organisms thrived millions of years ago.Additionally, the unique properties of spicules have caught the attention of material scientists. Their intricate structures inspire biomimetic designs in engineering and architecture. For instance, the lightweight yet strong nature of spicules can lead to the development of new materials that mimic these natural structures. This interdisciplinary approach highlights the importance of understanding spicules not just within the context of biology, but also in fields such as materials science and environmental engineering.In conclusion, spicules are fascinating structures that serve multiple functions in the natural world. From providing support and protection for marine organisms to offering insights into geological history, spicules demonstrate the interconnectedness of life and the environment. As research continues to uncover the complexities of these tiny structures, we gain a deeper appreciation for the intricate designs found in nature and their potential applications in various scientific fields. Understanding spicules is not merely an academic exercise; it is a journey into the heart of biological innovation and ecological resilience.

在生物学和地质学领域，术语spicule指的是一种小的针状结构，可以在各种生物和材料中找到。这些微小的结构在某些物种的解剖学中发挥着重要作用，特别是在海绵和某些类型的珊瑚中。spicule（尖刺）不仅作为骨骼元素，还提供对捕食者的保护。理解spicule的功能和形成对理解这些生物的进化适应至关重要。例如，在多孔动物门（Porifera），通常称为海绵，spicule由二氧化硅或碳酸钙制成。根据物种的不同，这些微小的结构在形状和大小上可能有所不同。这些微小的结构创建了一个框架，支持海绵的身体，使其能够保持形状并过滤水中的营养物质。spicule的存在也可以阻止潜在的威胁，因为许多海洋动物发现它们不合口味。因此，spicule在提供结构完整性和防御方面发挥着双重作用。此外，spicule并不仅限于海绵；它们在某些珊瑚甚至一些植物中也可以找到。在珊瑚中，spicule有助于整体刚度，这对于抵御海洋潮流至关重要。有机组织与spicule的结合形成了一个坚固的骨架，使珊瑚能够在多样的海洋环境中繁荣。这种适应性是珊瑚礁成为地球上最具生物多样性的生态系统之一的原因之一。对spicule的研究超越了其生物学意义；它还包括其地质意义。化石化的spicule提供了关于过去海洋环境的重要信息，并可以帮助科学家重建古代生态系统。通过分析沉积岩中spicule的组成和分布，研究人员可以获得关于数百万年前这些生物繁荣的条件的见解。此外，spicule的独特特性引起了材料科学家的注意。它们复杂的结构激发了工程和建筑中的仿生设计。例如，spicule的轻巧而坚固的特性可以导致新材料的发展，模仿这些自然结构。这种跨学科的方法突显了理解spicule的重要性，不仅仅是在生物学的背景下，还在材料科学和环境工程等领域。总之，spicule是迷人的结构，在自然界中发挥着多重功能。从为海洋生物提供支持和保护，到提供对地质历史的洞察，spicule展示了生命与环境之间的相互联系。随着研究不断揭示这些微小结构的复杂性，我们对自然界中复杂设计及其在各个科学领域潜在应用的深刻理解也随之加深。理解spicule不仅仅是一个学术练习；这是一次深入生物创新和生态韧性核心的旅程。