spicula

简明释义

[ˈspɪkjʊlə][ˈspɪk.jə.lə]

n. 针状体;骨针(spiculum 的复数)

复 数 s p i c u l a e

英英释义

A small, needle-like structure or part, often found in biological contexts such as spicules in sponges or skeletal elements in certain organisms.

一种小的针状结构或部分,常见于生物学上下文,例如海绵中的刺或某些生物中的骨骼元素。

单词用法

spicula of a sponge

海绵的刺针

spicula in anatomy

解剖学中的刺针

siliceous spicula

硅质刺针

calcareous spicula

钙质刺针

同义词

spike

尖刺

The plant has sharp spikes that can hurt if touched.

这种植物有锋利的尖刺,碰到会受伤。

thorn

He pricked his finger on a thorn while gardening.

他在园艺时被刺上的刺扎到了手指。

prickle

小刺

The animal's fur was covered in tiny prickles.

这只动物的毛发上布满了小刺。

反义词

smooth

光滑的

The surface of the table is smooth.

桌子的表面是光滑的。

blunt

钝的

He used a blunt knife to cut the bread.

他用一把钝刀切面包。

例句

1.Under the microscope, the spicula 针状物 of certain algae were clearly visible.

在显微镜下,某些藻类的spicula 针状物清晰可见。

2.The fossilized remains showed intricate patterns formed by spicula 针状物 from ancient marine creatures.

化石遗骸显示出古代海洋生物的spicula 针状物形成的复杂图案。

3.The presence of spicula 针状物 can indicate the health of coral reefs.

存在的spicula 针状物可以指示珊瑚礁的健康状况。

4.The marine biologist explained how the tiny spicula 针状物 in sponges provide structural support.

海洋生物学家解释了海绵中微小的spicula 针状物如何提供结构支持。

5.In the study of echinoderms, researchers focused on the role of spicula 针状物 in their defense mechanisms.

在对棘皮动物的研究中,研究人员关注于spicula 针状物在其防御机制中的作用。

作文

In the realm of biology, the term spicula refers to small, needle-like structures that can be found in various organisms. These tiny formations play a significant role in the anatomy and function of certain species, particularly in the context of sponges and some types of algae. Understanding the characteristics and functions of spicula is essential for anyone studying marine biology or ecology, as they contribute to the overall structure and support of these organisms. For instance, sponges, which are among the simplest multicellular organisms, possess a skeleton made up of spicula. These structures can be composed of silica or calcium carbonate, depending on the sponge species. The presence of spicula not only provides structural integrity but also serves as a defense mechanism against predators. The sharp nature of these needle-like formations deters many potential threats, allowing sponges to thrive in their aquatic environments.Moreover, spicula are not exclusive to sponges; they can also be observed in certain types of corals and other marine creatures. In corals, for example, spicula contribute to the formation of the coral reef structure, which is vital for providing habitat and protection for numerous marine species. The intricate arrangement of spicula within coral polyps showcases the beauty and complexity of marine ecosystems.From an ecological perspective, the study of spicula can provide insights into the health and stability of marine environments. Changes in the abundance or composition of spicula can indicate shifts in environmental conditions, such as water quality or temperature changes. As researchers monitor these microscopic structures, they can better understand the impacts of climate change and human activities on marine life.Furthermore, the unique properties of spicula have inspired biomimicry in materials science. Scientists are exploring how the strength and lightweight nature of these structures can inform the design of new materials for various applications, ranging from construction to medical devices. By mimicking the natural designs found in spicula, researchers aim to create innovative solutions that are both effective and sustainable.In conclusion, the term spicula encapsulates a fascinating aspect of biological diversity. Whether it is their role in providing structural support for sponges and corals, their significance in ecological monitoring, or their potential in advancing material science, spicula are a testament to the intricate connections within nature. As we continue to explore and understand these small yet mighty structures, we gain valuable knowledge that can help us protect and preserve our planet's marine ecosystems for future generations.

在生物学领域,术语spicula指的是在各种生物中发现的小型针状结构。这些微小的形成在某些物种的解剖和功能中发挥着重要作用,特别是在海绵和某些类型的藻类的背景下。理解spicula的特征和功能对于任何研究海洋生物学或生态学的人来说都是必不可少的,因为它们对这些生物的整体结构和支持有贡献。例如,海绵是最简单的多细胞生物之一,具有由spicula构成的骨架。这些结构可以由二氧化硅或碳酸钙组成,这取决于海绵的种类。spicula的存在不仅提供了结构完整性,还作为防御机制,抵御捕食者。这些针状结构的尖锐特性阻止了许多潜在威胁,使海绵能够在其水生环境中繁荣生长。此外,spicula并不仅限于海绵;在某些类型的珊瑚和其他海洋生物中也可以观察到。在珊瑚中,spicula有助于珊瑚礁结构的形成,这对提供栖息地和保护众多海洋物种至关重要。spicula在珊瑚虫内的复杂排列展示了海洋生态系统的美丽与复杂。从生态学的角度来看,研究spicula可以提供有关海洋环境健康和稳定性的见解。spicula的丰度或组成的变化可以表明环境条件的变化,例如水质或温度变化。当研究人员监测这些微观结构时,他们可以更好地理解气候变化和人类活动对海洋生物的影响。此外,spicula的独特特性激发了材料科学中的仿生学。科学家们正在探索这些结构的强度和轻量特性如何为各种应用的新材料设计提供启示,从建筑到医疗设备。通过模仿spicula中发现的自然设计,研究人员旨在创造出既有效又可持续的创新解决方案。总之,术语spicula概括了生物多样性的一个迷人方面。无论是它们在为海绵和珊瑚提供结构支持中的角色,它们在生态监测中的重要性,还是它们在推动材料科学发展中的潜力,spicula都是自然界复杂联系的证明。随着我们继续探索和理解这些小而强大的结构,我们获得了宝贵的知识,这可以帮助我们保护和维持地球的海洋生态系统,以造福未来世代。