raphides

简明释义

英[ˈræfɪdz]美[ˈræfɪdz]

n. [植]针晶体；针晶束（raphide 的复数）

英英释义

单词用法

同义词

反义词

例句

1.There were clusters and raphides of calcium oxalate in the mucilage cells which are densely distributed in the outside of the central cylinder.

粘液细胞中含草酸钙针晶和簇晶，在中柱外侧分布较密集。

2.There were clusters and raphides of calcium oxalate in the mucilage cells which are densely distributed in the outside of the central cylinder.

粘液细胞中含草酸钙针晶和簇晶，在中柱外侧分布较密集。

3.The plant's defense mechanism includes the production of raphides, which are needle-like structures that can deter herbivores.

这种植物的防御机制包括产生raphides，即针状结构，可以威慑食草动物。

4.In some species, raphides are known to cause irritation when they come into contact with skin.

在某些物种中，raphides 知道在与皮肤接触时会引起刺激。

5.The discovery of raphides in the plant's tissues suggests it may have evolved a unique way to protect itself.

在植物组织中发现raphides表明它可能进化出一种独特的自我保护方式。

6.Some researchers study raphides to understand their role in plant physiology and ecology.

一些研究人员研究raphides以了解它们在植物生理和生态中的作用。

7.Certain fruits contain raphides that can contribute to their bitter taste.

某些水果含有raphides，这可能导致其苦味。

作文

In the world of botany, the study of plant structures and their functions reveals many fascinating adaptations that help plants survive in various environments. One such adaptation is the presence of structures known as raphides, which are needle-like crystals made primarily of calcium oxalate. These tiny crystals can be found in several plant species, serving multiple purposes that contribute to the overall health and survival of the plant. Understanding raphides is essential for both botanists and horticulturists, as they provide insights into how plants defend themselves against herbivores and manage their internal chemistry. The formation of raphides occurs in specialized cells called idioblasts. These cells are responsible for producing the calcium oxalate crystals during the plant's growth process. The crystals can vary in size and shape, but they are typically elongated and slender, resembling microscopic needles. When herbivores attempt to eat plants containing raphides, these sharp crystals can cause physical damage to the animal's mouth and digestive tract, deterring them from consuming the plant further. This natural defense mechanism is a brilliant evolutionary strategy that helps plants protect themselves from being eaten, allowing them to thrive in their habitats. Moreover, raphides also play a role in regulating the levels of calcium and oxalate in the plant. By storing excess calcium in the form of crystals, plants can prevent toxicity that might arise from an overload of minerals. This regulation is crucial for maintaining the plant’s overall health and ensuring optimal growth. In addition, the presence of raphides can influence the taste and nutritional value of the plants. Some edible plants contain raphides, which can impart a bitter flavor, making them less palatable to humans and animals alike. Interestingly, the study of raphides extends beyond botany. Researchers have explored their potential applications in various fields, including medicine and materials science. For instance, the unique properties of raphides have led scientists to investigate their use in drug delivery systems, where the crystals could potentially serve as carriers for pharmaceuticals. Furthermore, the structural integrity and sharpness of raphides have sparked interest in developing new materials for industrial applications. In conclusion, raphides are more than just simple plant structures; they represent an intricate part of the plant's survival strategy. By understanding the role of raphides in plant biology, we gain a deeper appreciation for the complexity of nature and the various ways in which plants adapt to their environments. As we continue to study these fascinating structures, we may uncover even more secrets about the plant kingdom and its remarkable ability to thrive in a constantly changing world. The knowledge gained from investigating raphides not only enriches our understanding of botany but also opens doors to innovative applications in science and technology.

在植物学的世界中，研究植物结构及其功能揭示了许多迷人的适应性，这些适应性帮助植物在各种环境中生存。其中一种适应性是存在被称为raphides的结构，这是一种主要由草酸钙组成的针状晶体。这些微小的晶体可以在几种植物物种中找到，发挥多种作用，有助于植物的整体健康和生存。理解raphides对植物学家和园艺师来说至关重要，因为它们提供了植物如何保护自己免受食草动物侵害以及管理其内部化学成分的见解。 raphides的形成发生在称为独立细胞的特殊细胞中。这些细胞负责在植物的生长过程中产生草酸钙晶体。晶体的大小和形状可以有所不同，但通常是细长而纤细的，类似于显微镜下的针。当食草动物试图食用含有raphides的植物时，这些尖锐的晶体可能会对动物的口腔和消化道造成物理损伤，从而阻止它们进一步食用该植物。这种自然防御机制是一种聪明的进化策略，帮助植物保护自己不被吃掉，使它们能够在栖息地中茁壮成长。 此外，raphides还在调节植物内钙和草酸的水平方面发挥作用。通过以晶体的形式储存过量的钙，植物可以防止因矿物质过载而引起的毒性。这种调节对于维持植物的整体健康和确保最佳生长至关重要。此外，raphides的存在可能会影响植物的味道和营养价值。一些可食用植物含有raphides，这可能会赋予它们苦涩的味道，使它们对人类和动物来说不那么可口。 有趣的是，raphides的研究超越了植物学。研究人员探索了它们在医学和材料科学等多个领域的潜在应用。例如，raphides独特的特性使科学家们研究它们在药物输送系统中的应用，其中这些晶体可能作为药物的载体。此外，raphides的结构完整性和锋利度引发了开发新材料用于工业应用的兴趣。 总之，raphides不仅仅是简单的植物结构；它们代表了植物生存策略的复杂组成部分。通过理解raphides在植物生物学中的作用，我们更深刻地欣赏自然的复杂性以及植物以各种方式适应其环境的能力。随着我们继续研究这些迷人的结构，我们可能会揭示有关植物王国的更多秘密，以及其在不断变化的世界中茁壮成长的非凡能力。从研究raphides中获得的知识不仅丰富了我们对植物学的理解，还为科学和技术中的创新应用打开了大门。