hypotonic solution

简明释义

低渗压溶液

英英释义

例句

1.Doctors must be careful when administering a hypotonic solution intravenously to avoid cell lysis.

医生在静脉注射低渗溶液时必须小心，以避免细胞溶解。

2.The laboratory experiment required us to prepare a hypotonic solution to observe osmosis in plant cells.

实验室实验要求我们准备一个低渗溶液以观察植物细胞中的渗透现象。

3.A common example of a hypotonic solution is pure water, which can cause cells to take in excess water.

一个常见的低渗溶液例子是纯水，它会导致细胞吸收过多的水分。

4.In medical settings, a hypotonic solution is often used to hydrate patients who are dehydrated.

在医疗环境中，低渗溶液通常用于给脱水的患者补水。

5.When red blood cells are placed in a hypotonic solution, they swell and may burst due to the influx of water.

当红血球置于低渗溶液中时，由于水分的流入，它们会膨胀并可能破裂。

作文

In the study of biology and chemistry, understanding solutions is crucial for grasping various concepts related to cellular processes. One important type of solution is a hypotonic solution, which plays a significant role in the movement of water across cell membranes. A hypotonic solution is defined as a solution that has a lower concentration of solutes compared to another solution, typically the cytoplasm of a cell. This difference in solute concentration creates an osmotic gradient that affects how water moves into or out of cells. When a cell is placed in a hypotonic solution, water molecules move from the solution into the cell in an attempt to equalize the solute concentrations on both sides of the membrane. This influx of water can cause the cell to swell and potentially burst if the difference in concentration is significant enough. For example, if red blood cells are immersed in a hypotonic solution, they may undergo a process known as hemolysis, where the cells swell and eventually rupture due to excessive water intake.The concept of a hypotonic solution is not only important for understanding biological systems but also has practical applications in medical treatments. For instance, intravenous (IV) fluids that are hypotonic solutions are sometimes administered to patients who are dehydrated. These fluids help to rehydrate cells by allowing water to enter them more easily, thus restoring proper cell function. However, it is essential to monitor the concentration of these solutions carefully, as administering too much of a hypotonic solution can lead to complications such as cerebral edema, where brain cells swell dangerously due to excess water.Furthermore, the understanding of hypotonic solutions extends beyond human biology to plant physiology as well. Plant cells have a rigid cell wall that provides structural support, allowing them to withstand the pressure created by water entering the cell when placed in a hypotonic solution. This phenomenon is known as turgor pressure, and it is vital for maintaining the shape and stability of plant cells. When plant cells are in a hypotonic solution, they become turgid, which is necessary for the overall health and growth of the plant.In conclusion, the concept of a hypotonic solution is fundamental in both biological and chemical contexts. It illustrates the principles of osmosis and the behavior of cells in different environments. Understanding how hypotonic solutions affect cells can provide insights into various physiological processes and inform medical practices. As we continue to explore the intricacies of cellular behavior, the significance of hypotonic solutions will undoubtedly remain a key topic in scientific discussions.

在生物学和化学的研究中，理解溶液对于掌握与细胞过程相关的各种概念至关重要。一个重要的溶液类型是低渗溶液，它在水分通过细胞膜的运动中发挥着重要作用。低渗溶液被定义为与另一种溶液相比，溶质浓度较低的溶液，通常是细胞的细胞质。这种溶质浓度的差异产生了一个渗透梯度，影响水分如何进出细胞。当细胞置于低渗溶液中时，水分子会从溶液中进入细胞，以试图平衡膜两侧的溶质浓度。这种水的流入可能导致细胞膨胀，并可能在浓度差异足够显著时破裂。例如，如果红血球浸泡在低渗溶液中，它们可能经历一种称为溶血的过程，即细胞因过量水分摄入而膨胀并最终破裂。低渗溶液的概念不仅对理解生物系统重要，还有实际应用于医学治疗中。例如，静脉注射（IV）液体有时会给脱水患者使用，这些液体是低渗溶液，有助于通过使水更容易进入细胞来重新水合细胞，从而恢复适当的细胞功能。然而，必须仔细监测这些溶液的浓度，因为施用过多的低渗溶液可能导致并发症，例如脑水肿，即由于过量水分导致脑细胞危险性肿胀。此外，对低渗溶液的理解还扩展到植物生理学。植物细胞具有坚硬的细胞壁，提供结构支持，使它们能够承受在置于低渗溶液时水分进入细胞所产生的压力。这种现象称为膨压，对于维持植物细胞的形状和稳定性至关重要。当植物细胞处于低渗溶液中时，它们变得膨胀，这是植物整体健康和生长所必需的。总之，低渗溶液的概念在生物和化学背景中都是基础性的。它说明了渗透作用的原理以及细胞在不同环境中的行为。理解低渗溶液如何影响细胞可以提供对各种生理过程的深入见解，并为医学实践提供信息。随着我们继续探索细胞行为的复杂性，低渗溶液的重要性无疑将继续成为科学讨论的关键主题。