hydathode

简明释义

英[ˈhaɪdəθəʊd]美[haɪdəˌθoʊd]

n. [植] 排水器（皮表水分排泄的器官）

英英释义

单词用法

同义词

反义词

例句

1.We suggest that the hydathode is an ideal system for studying endocytosis in plants.

我们认为泌水器可提供为日后研究植物细胞膜内噬作用的一个理想研究系统。

2.We suggest that the hydathode is an ideal system for studying endocytosis in plants.

我们认为泌水器可提供为日后研究植物细胞膜内噬作用的一个理想研究系统。

3.The plant's ability to regulate water loss through its hydathode 水孔 is crucial for its survival in arid environments.

植物通过其hydathode 水孔调节水分流失的能力对在干旱环境中的生存至关重要。

4.During the rainy season, the hydathode 水孔 helps the leaves expel excess water.

在雨季，hydathode 水孔帮助叶子排出多余的水分。

5.In humid conditions, the hydathode 水孔 may function more actively to release moisture.

在潮湿的条件下，hydathode 水孔可能更积极地释放水分。

6.The hydathode 水孔 can be found at the edges of many leaf types.

许多叶子类型的边缘可以找到hydathode 水孔。

7.Researchers studied how different plants utilize their hydathode 水孔 for guttation.

研究人员研究了不同植物如何利用它们的hydathode 水孔进行排水。

作文

In the fascinating world of botany, plants exhibit a variety of structures and mechanisms that enable them to thrive in diverse environments. One such structure is the hydathode, which plays a crucial role in the process of transpiration and water regulation within plants. Understanding the function of hydathode can provide insights into how plants maintain their internal water balance, especially in conditions where water loss is critical for survival.A hydathode is a specialized structure found primarily on the edges of leaves. It is responsible for the exudation of water, particularly in the form of droplets, during times of high humidity or when the plant's internal pressure is elevated. This process, known as guttation, occurs when the soil moisture is abundant, allowing excess water to be released through the hydathode. The presence of these structures is particularly noticeable in certain species of plants, such as ferns and some flowering plants.The mechanism behind the functioning of a hydathode involves the movement of water from the vascular system of the plant to the surface of the leaf. When the plant absorbs more water than it needs, the excess is pushed out through the hydathode due to root pressure. This phenomenon not only helps in regulating water levels but also aids in the removal of excess minerals and nutrients that may accumulate within the plant.Moreover, hydathodes play a significant role in the overall health of the plant. By facilitating the release of excess water, they help prevent damage that could occur due to waterlogging or excessive moisture accumulation. Additionally, the droplets produced by hydathodes can create a microhabitat for various microorganisms, contributing to the ecological balance in the surrounding environment.Interestingly, the study of hydathodes extends beyond understanding plant physiology; it also has implications for agriculture and horticulture. Farmers and gardeners can benefit from knowledge about hydathode function when managing irrigation practices. By ensuring that plants have adequate water supply without over-saturation, they can promote healthier growth and higher yields.In conclusion, the hydathode is an essential component of plant anatomy that facilitates water regulation and contributes to the overall well-being of the plant. Its ability to exude excess water not only aids in maintaining optimal hydration levels but also supports the plant’s interaction with its environment. As we continue to explore the complexities of plant structures like hydathodes, we gain a deeper appreciation for the intricate systems that sustain life on Earth. Understanding these mechanisms is vital for advancing agricultural practices and ensuring sustainable plant growth in various ecosystems.

在植物学的迷人世界中，植物展现出多种结构和机制，使它们能够在不同的环境中茁壮成长。其中一个这样的结构是hydathode，它在植物的蒸腾作用和水分调节过程中发挥着至关重要的作用。理解hydathode的功能可以提供关于植物如何维持内部水分平衡的见解，尤其是在水分流失对生存至关重要的情况下。hydathode是一种特殊结构，主要位于叶子的边缘。它负责在高湿度或植物内部压力升高时，特别是以水滴的形式排出水分。这一过程被称为“排水”，发生在土壤水分充足时，允许多余的水通过hydathode释放出来。这些结构的存在在某些植物种类中尤为明显，例如蕨类植物和一些开花植物。hydathode的功能机制涉及水从植物的维管系统移动到叶子表面。当植物吸收的水分超过其需求时，多余的水由于根压被推送到hydathode中。这个现象不仅有助于调节水分水平，还帮助去除可能在植物内积累的多余矿物质和营养物质。此外，hydathode在植物整体健康中也起着重要作用。通过促进多余水分的释放，它们有助于防止由于水涝或过度潮湿积聚而造成的损害。此外，hydathode产生的水滴可以为各种微生物创造微生境，有助于周围环境的生态平衡。有趣的是，对hydathode的研究不仅限于理解植物生理学；它在农业和园艺中也具有重要意义。农民和园丁可以利用对hydathode功能的了解来管理灌溉实践。通过确保植物有足够的水分供应而不至于过饱和，他们可以促进更健康的生长和更高的产量。总之，hydathode是植物解剖学中的一个重要组成部分，它促进水分调节并有助于植物的整体健康。它排出多余水分的能力不仅有助于维持最佳水合水平，还支持植物与其环境的相互作用。随着我们继续探索像hydathode这样的植物结构的复杂性，我们对维持地球生命的复杂系统有了更深刻的认识。理解这些机制对于推动农业实践和确保各种生态系统中植物的可持续生长至关重要。