hypertonic
简明释义
英[ˌhaɪpəˈtɒnɪk]美[ˌhaɪpərˈtɑːnɪk]
adj. [化学][生理] 高渗的;[医] 张力亢进的
英英释义
Having a higher osmotic pressure than a particular fluid, typically a bodily fluid or intracellular fluid. | 具有比特定液体(通常是体液或细胞内液体)更高的渗透压。 |
单词用法
食盐水;高渗生理盐水 |
同义词
高渗透的 | 高渗透溶液可能导致细胞失去水分。 | ||
浓缩的 | 浓盐水溶液被认为是高渗透的。 |
反义词
低渗的 | 低渗溶液会导致细胞膨胀。 | ||
等渗的 | Isotonic drinks are often consumed during exercise to maintain hydration. | 等渗饮料通常在运动期间饮用,以维持水分。 |
例句
1.The hypertonic solution inhibited the current.
高渗溶液可抑制该电流。
2.ObjectiveTo study the effect of inactivating hepatic echinococci by 25 % hypertonic saline solution.
目的研究2 5 %高渗盐水灭活肝细粒棘球蚴的效果。
3.Objective of hypertonic saline in severe brain injury combined with the effects of early shock.
目的探讨高渗盐水在重型颅脑外伤合并休克早期的疗效分析。
4.Objective to investigate the clinical meaning of fluid resuscitation with hypertonic saline in treatment of hemorrhagic shock.
目的探讨失血性休克高渗盐水早期限制性液体复苏的临床意义。
5.The current was sensitive to the change of cell volume and was inhibited by extracellular hypertonic solution.
该电流具有容积敏感性,可被细胞外高渗刺激所抑制。
6.OBJECTIVE to study the stability of hypertonic sodium chloride dextran 70 injection.
目的研究高渗氯化钠右旋糖酐70注射液的稳定性。
7.When a cell is placed in a hypertonic solution, it loses water and shrinks.
当细胞被放置在高渗透溶液中时,它会失去水分并收缩。
8.Doctors often use hypertonic saline to treat patients with severe hyponatremia.
医生常常使用高渗透盐水来治疗严重低钠血症的患者。
9.A hypertonic environment can cause plant cells to become plasmolyzed.
在高渗透环境中,植物细胞可能变得质壁分离。
10.In osmosis, water moves from a hypertonic area to a less concentrated one.
在渗透作用中,水从高渗透区域移动到浓度较低的区域。
11.The IV fluid was adjusted to a hypertonic concentration to help reduce edema.
静脉输液被调整为高渗透浓度以帮助减少水肿。
作文
In the study of biology and chemistry, understanding the concept of solutions is crucial. One key term that often arises in this context is hypertonic, which refers to a solution that has a higher concentration of solutes compared to another solution. This concept is particularly important when discussing osmosis, the process by which water moves across a semipermeable membrane. When a cell is placed in a hypertonic solution, water will move out of the cell in an attempt to balance the solute concentrations on both sides of the membrane. As a result, the cell may shrink or become dehydrated. To illustrate this concept further, let’s consider a practical example. Imagine a plant cell surrounded by soil that has a high concentration of salts. If the soil is hypertonic, the water inside the plant cell will move out into the soil, causing the plant to wilt. This phenomenon highlights the importance of maintaining proper osmotic balance for the health of living organisms.On the other hand, a hypertonic solution can also be used strategically in medical treatments. For instance, in certain cases of dehydration, doctors may administer a hypertonic saline solution to patients. This type of treatment helps to draw fluid back into the bloodstream from surrounding tissues, thus restoring hydration levels more quickly. However, caution must be exercised, as administering a hypertonic solution too rapidly can lead to complications such as cellular damage or fluid overload.Understanding the implications of hypertonic solutions extends beyond biology and medicine; it also plays a significant role in various industries, including food preservation and agriculture. In food science, hypertonic solutions are often used in the process of curing meats or preserving fruits. The high concentration of solutes in these solutions helps to inhibit microbial growth, thereby extending the shelf life of food products. Similarly, in agriculture, understanding the hypertonic nature of soil solutions can aid farmers in managing irrigation practices effectively, ensuring that crops receive the right amount of water without risking osmotic stress.In conclusion, the term hypertonic encompasses a wide range of applications and implications across different fields. From its role in biological processes such as osmosis to its practical uses in medicine and food preservation, understanding hypertonic solutions is essential for anyone studying life sciences. By grasping the significance of this term, we can better appreciate the delicate balance that governs the interactions between cells and their environments, ultimately enhancing our knowledge of how to maintain health and sustainability in various systems.
在生物学和化学的研究中,理解溶液的概念至关重要。一个常常出现的关键术语是高渗透,它指的是与另一种溶液相比,具有更高溶质浓度的溶液。这个概念在讨论渗透作用时尤为重要,渗透作用是水通过半透膜移动的过程。当细胞被放置在高渗透溶液中时,水会试图从细胞中流出,以平衡膜两侧的溶质浓度。因此,细胞可能会收缩或脱水。为了进一步说明这一概念,让我们考虑一个实际的例子。想象一下,一个植物细胞被包围在盐分浓度较高的土壤中。如果土壤是高渗透的,植物细胞内部的水将流向土壤,导致植物枯萎。这一现象突显了维持适当渗透平衡对生物体健康的重要性。另一方面,高渗透溶液在医疗治疗中也可以被战略性地使用。例如,在某些脱水情况下,医生可能会给患者施用高渗透盐水溶液。这种类型的治疗有助于将周围组织中的液体吸引回血液循环,从而更快地恢复水分水平。然而,必须小心,因为过快地施用高渗透溶液可能导致细胞损伤或液体超负荷等并发症。理解高渗透溶液的含义不仅限于生物学和医学;它在食品保存和农业等多个行业中也发挥着重要作用。在食品科学中,高渗透溶液通常用于腌制肉类或保存水果的过程中。这些溶液中高浓度的溶质有助于抑制微生物生长,从而延长食品产品的保质期。同样,在农业中,了解土壤溶液的高渗透特性可以帮助农民有效管理灌溉实践,确保作物获得适量的水分,而不冒着渗透压力的风险。总之,术语高渗透涵盖了不同领域的广泛应用和影响。从其在生物过程中如渗透作用中的角色,到其在医学和食品保存中的实际用途,理解高渗透溶液对于任何学习生命科学的人来说都是必不可少的。通过掌握这个术语的重要性,我们可以更好地欣赏细胞与其环境之间相互作用所支配的微妙平衡,从而增强我们对如何维持各种系统中的健康和可持续性的认识。