eustele

简明释义

[ˈjuːstiːl][ˈjʊstili]

n. [植] 真中柱

英英释义

A type of vascular tissue arrangement found in the stems of dicotyledons and some gymnosperms, characterized by the presence of a ring of vascular bundles.

一种在双子叶植物和某些裸子植物的茎中发现的维管组织排列,特点是存在一圈维管束。

单词用法

eustele system

eustele 系统

eustele arrangement

eustele 排列

in eustele plants

eustele 植物中

characteristics of eustele

eustele 的特征

同义词

vascular plant

维管植物

Eusteles are characteristic of higher plants, including ferns and seed plants.

eustele是高等植物的特征,包括蕨类植物和种子植物。

tracheophyte

导管植物

The term 'vascular plant' encompasses all plants with a vascular system for water and nutrient transport.

‘维管植物’一词涵盖了所有具有水分和养分运输维管系统的植物。

反义词

atactostele

无序的导管束

The plant has an atactostele arrangement, which is less organized than a eustele.

这种植物具有无序的导管束排列,缺乏eustele的组织性。

amorphous

无定形的

Amorphous structures can be found in certain types of algae, contrasting with the defined structure of eustele in higher plants.

某些类型的藻类中可以发现无定形的结构,这与高等植物中eustele的明确结构形成对比。

例句

1.There was endarch eustele in epicotylary shoot zone.

上胚轴苗区具有内始式真中柱。

2.There was endarch eustele in epicotylary shoot zone.

上胚轴苗区具有内始式真中柱。

3.In gymnosperms, the presence of eustele is a key feature that distinguishes them from other plant types.

在裸子植物中,eustele的存在是将它们与其他植物类型区分开来的一个关键特征。

4.During the dissection, we observed the distinct arrangement of eustele in the stem.

在解剖过程中,我们观察到了茎中eustele的独特排列。

5.The structure of the eustele allows for greater growth potential in dicotyledons.

这种eustele的结构使双子叶植物具有更大的生长潜力。

6.Researchers are studying how eustele contributes to the adaptability of certain plant species.

研究人员正在研究eustele如何有助于某些植物物种的适应性。

7.The plant's vascular system is classified as a eustele which allows for efficient transport of nutrients.

这种植物的维管系统被分类为eustele,这使得养分的运输更加高效。

作文

In the study of plant biology, understanding the structure and organization of vascular plants is crucial. One of the key terms that often arises in this context is eustele, which refers to a specific arrangement of vascular tissue in certain types of plants. The eustele (维管束) is characterized by having vascular bundles arranged in a circle, which is typical of many dicotyledons and some gymnosperms. This arrangement allows for efficient transport of water, nutrients, and sugars throughout the plant, contributing to its overall growth and stability.The significance of the eustele (维管束) structure can be seen in how it supports the plant's ability to thrive in various environments. For instance, plants with a well-developed eustele (维管束) can achieve greater height and form larger structures compared to those with other vascular arrangements. This is because the circular arrangement of vascular bundles provides strength and resilience, enabling the plant to withstand physical stresses such as wind or heavy rainfall.Moreover, the presence of a eustele (维管束) is often associated with secondary growth, which is the increase in girth of the plant stems and roots. This is particularly important for woody plants, where the ability to grow thicker stems allows them to support more leaves and flowers, ultimately enhancing their reproductive success. The formation of secondary xylem and phloem within the eustele (维管束) contributes to this growth, making it a vital feature for many perennial plants.In contrast, monocots typically exhibit a different type of vascular arrangement known as atactostele, where the vascular bundles are scattered throughout the stem rather than forming a distinct ring. This difference highlights the evolutionary adaptations that have occurred in various plant lineages, allowing them to exploit different ecological niches. Understanding these variations is essential for botanists and horticulturists who aim to cultivate and conserve diverse plant species.Furthermore, the study of eustele (维管束) has implications beyond just plant biology; it can also inform agricultural practices. By recognizing the structural differences in vascular arrangements, farmers can select crops that are better suited to their local conditions. For example, crops with a robust eustele (维管束) may be more drought-resistant, making them ideal for regions with limited water supply.In conclusion, the term eustele (维管束) is integral to our understanding of plant anatomy and physiology. It describes a specific arrangement of vascular tissue that plays a pivotal role in the growth and development of many plants. By studying the eustele (维管束), researchers and practitioners can gain insights into plant evolution, adaptation, and agricultural productivity. As we continue to explore the complexities of plant life, the significance of the eustele (维管束) will undoubtedly remain a focal point of investigation and discovery.

在植物生物学的研究中,理解和掌握维管植物的结构与组织至关重要。一个常常出现的关键术语是eustele,它指的是某些类型植物中维管组织的特定排列。eustele(维管束)以维管束环状排列为特征,这在许多双子叶植物和一些裸子植物中是典型的。这种排列允许水分、营养和糖分在植物中高效运输,从而有助于植物的整体生长和稳定性。eustele(维管束)结构的重要性可以从它如何支持植物在各种环境中茁壮成长中看出。例如,具有良好发育的eustele(维管束)的植物能够比其他维管排列的植物实现更大的高度和形成更大的结构。这是因为维管束的环状排列提供了强度和韧性,使植物能够抵御风或大雨等物理压力。此外,eustele(维管束)的存在通常与次生生长相关,即植物茎和根的粗度增加。这对于木本植物尤为重要,因为生长更粗的茎使它们能够支持更多的叶子和花朵,最终增强其繁殖成功率。在eustele(维管束)内形成的次生木质部和韧皮部促进了这一生长,使其成为许多多年生植物的重要特征。相比之下,单子叶植物通常表现出一种不同类型的维管排列,称为atactostele,其中维管束散布在茎的整个部分,而不是形成明显的环。这一差异突显了不同植物谱系中发生的进化适应,使它们能够利用不同的生态位。理解这些变化对于旨在培养和保护多样植物物种的植物学家和园艺师至关重要。此外,eustele(维管束)的研究不仅仅局限于植物生物学;它还可以为农业实践提供信息。通过认识维管排列的结构差异,农民可以选择更适合当地条件的作物。例如,具有强健eustele(维管束)的作物可能更耐旱,使它们在水源有限的地区更为理想。总之,术语eustele(维管束)对我们理解植物解剖学和生理学至关重要。它描述了一种特定的维管组织排列,在许多植物的生长和发育中发挥着关键作用。通过研究eustele(维管束),研究人员和从业者可以深入了解植物的进化、适应和农业生产力。随着我们继续探索植物生命的复杂性,eustele(维管束)的重要性无疑将继续成为研究和发现的焦点。