symplast

简明释义

英[ˈsɪmplæst]美[ˈsɪmplæst]

n. [土壤] 共质体，共浆体；合胞体

英英释义

单词用法

同义词

反义词

例句

1.Two pathways, the "free space" and the "symplast", of absorption and translocation of lead into young roots of Zea mays were demonstrated by using histochemical method.

经组织化学的方法研究证明，玉米幼根对铅的吸收经过了两条通道，即自由空间通道和共质体通道。

2.Two pathways, the "free space" and the "symplast", of absorption and translocation of lead into young roots of Zea mays were demonstrated by using histochemical method.

经组织化学的方法研究证明，玉米幼根对铅的吸收经过了两条通道，即自由空间通道和共质体通道。

3.The symplast (胞质连通体) plays a crucial role in maintaining cell turgor pressure.

symplast（胞质连通体）在维持细胞膨压方面起着至关重要的作用。

4.The study of the symplast (胞质连通体) helps scientists understand how plants adapt to stress conditions.

对symplast（胞质连通体）的研究帮助科学家理解植物如何适应压力条件。

5.During photosynthesis, sugars produced in the leaves are transported through the symplast (胞质连通体) to other parts of the plant.

在光合作用过程中，叶子中产生的糖分通过symplast（胞质连通体）运输到植物的其他部分。

6.In root cells, the symplast (胞质连通体) allows for the rapid movement of ions.

在根细胞中，symplast（胞质连通体）允许离子的快速移动。

7.In plant cells, the movement of water and nutrients occurs through the symplast (胞质连通体), allowing for efficient transport.

在植物细胞中，水分和养分的移动通过symplast（胞质连通体）进行，从而实现高效运输。

作文

In the realm of plant biology, understanding the intricacies of cellular structures is essential for comprehending how plants function and thrive in various environments. One such crucial component is the symplast, which refers to the network of interconnected cytoplasm of plant cells that allows for the movement of water, nutrients, and signals between cells. This system plays a vital role in maintaining homeostasis within the plant and facilitates communication and transport across different tissues. The symplast is formed through plasmodesmata, which are microscopic channels that connect adjacent plant cells. These channels enable the direct transfer of substances without having to cross cell membranes multiple times. This is particularly beneficial for the plant, as it allows for efficient nutrient distribution and cellular communication, which are essential for growth and development.One of the key functions of the symplast is its role in the uptake of water and minerals from the soil. When roots absorb water, it enters the root cells and then travels through the symplast to reach other parts of the plant. This process is crucial, especially during periods of drought, as it helps the plant maintain its turgor pressure and overall health. Furthermore, the symplast allows for the transport of photosynthetic products, such as sugars, from the leaves to other parts of the plant where they are needed for energy and growth.In addition to its transport functions, the symplast is also integral to signaling pathways within the plant. For instance, when a plant experiences stress due to environmental factors like drought or salinity, signaling molecules can move through the symplast to initiate protective responses. This ability to communicate rapidly between cells is vital for the plant's adaptability and survival.Moreover, the symplast is involved in the regulation of gene expression and metabolic processes. By allowing the exchange of small RNA molecules and proteins, the symplast contributes to the coordination of cellular activities, ensuring that the plant responds appropriately to internal and external stimuli. This dynamic interplay between cells is what enables plants to thrive in diverse habitats, from arid deserts to lush rainforests.In conclusion, the symplast is a fundamental aspect of plant physiology that underscores the complexity and efficiency of plant life. Its role in nutrient transport, cellular communication, and stress response highlights the interconnectedness of plant cells and their environment. As we continue to explore the fascinating world of plant biology, the significance of the symplast will undoubtedly remain a focal point of research and understanding, providing insights into how plants adapt and survive in an ever-changing world.

在植物生物学领域，理解细胞结构的复杂性对于理解植物如何在各种环境中生存和繁衍至关重要。其中一个关键组成部分是共质体，它指的是植物细胞之间相互连接的细胞质网络，允许水分、养分和信号在细胞之间移动。这个系统在维持植物内部稳态和促进不同组织之间的沟通与运输方面发挥着至关重要的作用。共质体是通过原生质连丝形成的，这些微观通道连接相邻的植物细胞。这些通道使物质能够直接转移，而不必多次穿过细胞膜。这对植物特别有利，因为它使营养物质的分配和细胞间的沟通变得高效，这对植物的生长和发育至关重要。共质体的一个关键功能是其在从土壤中吸收水分和矿物质中的作用。当根部吸收水分时，水分进入根细胞，然后通过共质体运输到植物的其他部分。这一过程尤其重要，特别是在干旱时期，因为它帮助植物维持其膨压和整体健康。此外，共质体还允许光合作用产物，如糖，从叶片运输到植物需要能量和生长的其他部分。除了运输功能外，共质体在植物内部的信号传递路径中也至关重要。例如，当植物由于干旱或盐碱等环境因素而遭受压力时，信号分子可以通过共质体移动，以启动保护反应。这种在细胞之间快速沟通的能力对于植物的适应性和生存至关重要。此外，共质体还参与基因表达和代谢过程的调节。通过允许小RNA分子和蛋白质的交换，共质体有助于协调细胞活动，确保植物对内部和外部刺激做出适当反应。这种细胞之间的动态相互作用使植物能够在多样的栖息地中茁壮成长，从干旱的沙漠到郁郁葱葱的雨林。总之，共质体是植物生理学的一个基本方面，强调了植物生命的复杂性和效率。它在养分运输、细胞通信和压力反应中的作用突显了植物细胞与其环境的相互联系。随着我们继续探索植物生物学的迷人世界，共质体的重要性无疑将仍然是研究和理解的重点，为我们提供植物如何在不断变化的世界中适应和生存的洞察。