exodermis

简明释义

英[ˌɛksoʊˈdɜrmɪs]美[ˌɛksoʊˈdɜrmɪs]

n. 外皮，[植] 外皮层

英英释义

单词用法

同义词

反义词

例句

1.The exodermis cell takes the place of epidermis cell with the same way when epidermis fall off.

根表皮脱落时，外皮层以同样生长方式代替脱落的表皮。

2.The exodermis cell takes the place of epidermis cell with the same way when epidermis fall off.

根表皮脱落时，外皮层以同样生长方式代替脱落的表皮。

3.The outer layer of the root, known as exodermis, helps in protecting the inner tissues from pathogens.

根的外层，称为外皮层，有助于保护内部组织免受病原体的侵害。

4.In some plants, the exodermis can develop a thicker cuticle to prevent water loss.

在某些植物中，外皮层可以发展出更厚的角质层以防止水分流失。

5.Research shows that the exodermis plays a crucial role in the absorption of nutrients.

研究表明，外皮层在营养物质的吸收中起着至关重要的作用。

6.The exodermis is often studied in relation to drought resistance in plants.

外皮层常常与植物的抗旱能力相关进行研究。

7.During the formation of the root, the exodermis develops after the epidermis.

在根的形成过程中，外皮层在表皮之后发育。

作文

The term exodermis refers to a specialized layer of tissue found in certain plants, particularly in roots and some stems. This layer plays a crucial role in protecting the inner tissues of the plant while also facilitating the exchange of nutrients and water. Understanding the function and significance of the exodermis is essential for comprehending how plants adapt to their environments and maintain their health. In many plants, the exodermis serves as a barrier against pathogens and environmental stressors. It is often formed from cells that have thickened walls, which not only provide structural support but also help to prevent water loss. This is particularly important in arid environments where water conservation is vital for survival. The exodermis can also regulate the uptake of minerals, ensuring that the plant receives the necessary nutrients without being overwhelmed by excessive amounts that could be harmful. Moreover, the exodermis is involved in the process of secondary growth in plants. As a plant matures, it may develop additional layers of protective tissue, including the exodermis, which can enhance its ability to withstand physical damage and disease. This adaptability is a key factor in the success of many plant species, allowing them to thrive in diverse habitats. Research on the exodermis has also revealed its potential applications in agriculture and horticulture. By understanding how this tissue functions, scientists can develop strategies to improve crop resilience against pests and diseases. For example, manipulating the properties of the exodermis could lead to the creation of plant varieties that require less water or are more resistant to drought conditions. This is increasingly important in the context of climate change, where traditional farming practices may no longer be viable. In addition to its protective roles, the exodermis also contributes to the overall health of the plant by playing a part in the transport of water and nutrients. It acts as a selective barrier, allowing beneficial substances to pass through while keeping harmful agents at bay. This selective permeability is crucial for maintaining the internal balance of the plant, ensuring that it can grow and reproduce effectively. In conclusion, the exodermis is a remarkable adaptation that showcases the complexity of plant biology. Its functions extend beyond mere protection; it is integral to the plant's ability to interact with its environment, conserve resources, and ultimately thrive. As we continue to explore the intricacies of plant systems, the study of the exodermis will undoubtedly reveal further insights into the resilience and versatility of the plant kingdom. Understanding this layer not only enhances our knowledge of botany but also provides valuable information that could lead to innovations in sustainable agriculture and environmental conservation.

术语exodermis指的是某些植物（特别是根和一些茎）中发现的一种特殊组织层。这一层在保护植物内部组织的同时，还促进了养分和水分的交换。理解exodermis的功能和重要性对于理解植物如何适应环境以及保持健康至关重要。在许多植物中，exodermis作为对病原体和环境压力的屏障。它通常由细胞组成，这些细胞的壁加厚，不仅提供结构支持，还有助于防止水分流失。在干旱环境中，这一点尤为重要，因为水分的保存对于生存至关重要。exodermis还可以调节矿物质的吸收，确保植物获得必要的养分，而不会因过量而受到伤害。此外，exodermis还参与植物的次生生长过程。随着植物的成熟，它可能会发展出额外的保护组织层，包括exodermis，这可以增强其抵御物理损伤和疾病的能力。这种适应性是许多植物物种成功的关键因素，使它们能够在多样化的栖息地中繁荣。对exodermis的研究也揭示了其在农业和园艺中的潜在应用。通过理解这一组织的功能，科学家可以制定策略，以提高作物对害虫和疾病的抗性。例如，操控exodermis的属性可能会导致培育出需要更少水分或对干旱条件更具抵抗力的植物品种。这在气候变化的背景下变得越来越重要，因为传统的农业实践可能不再可行。除了保护作用，exodermis还通过参与水分和养分的运输来促进植物的整体健康。它充当选择性屏障，允许有益物质通过，同时阻止有害物质的进入。这种选择性通透性对于维持植物的内部平衡至关重要，确保植物能够有效地生长和繁殖。总之，exodermis是一种显著的适应性，展示了植物生物学的复杂性。它的功能超越了简单的保护；它是植物与环境相互作用、节约资源和最终繁荣的能力的重要组成部分。随着我们继续探索植物系统的复杂性，exodermis的研究无疑将揭示植物王国的韧性和多样性的进一步见解。理解这一层不仅增强了我们对植物学的知识，还提供了有价值的信息，这可能会导致可持续农业和环境保护方面的创新。