reabsorption

简明释义

[riːəbˈsɔːpʃən][riːəbˈsɔrpʃən]

n. 再吸收

英英释义

The process by which substances are taken back into the body after being filtered out, especially in biological systems like the kidneys.

在生物系统中,特别是在肾脏中,经过过滤后物质被重新吸收到体内的过程。

单词用法

active reabsorption

主动再吸收

passive reabsorption

被动再吸收

renal reabsorption

肾脏再吸收

nutrient reabsorption

营养物质再吸收

the process of reabsorption

再吸收的过程

reabsorption of water

水的再吸收

reabsorption of nutrients

营养物质的再吸收

reabsorption in the kidneys

肾脏中的再吸收

同义词

absorption

吸收

The reabsorption of nutrients occurs in the intestines.

营养物质的再吸收发生在肠道中。

反义词

excretion

排泄

The kidneys are responsible for the excretion of waste products from the blood.

肾脏负责将血液中的废物排泄出去。

secretion

分泌

The gland's secretion of hormones is crucial for regulating metabolism.

腺体分泌激素对调节新陈代谢至关重要。

例句

1.Injected estrogen can damage the fluid reabsorption in the efferent ducts, which could lead to the impairment of male fertility.

不恰当给予雌激素可能会损害翠丸输出小管的重吸收功能,并由此影响雄性的生殖功能。

2.Conclusion The participation of DARPP-32 is a likely crucial step of the signal-transduction pathway of dopamine regulation on sodium reabsorption in renal tubule cells.

结论DARPP-32很可能是多巴胺调节肾脏钠离子重吸收的一个重要中间环节。

3.It directly increases proximal tubular sodium reabsorption.

它能直接升高近端小管对钠的重吸收。

4.The function of AAP in kidney may related to the secretion and reabsorption of renal tubules and collecting tubules.

肾内AAP可能与肾小管和集合小管的分泌和重吸收功能有关。

5.Renal clearance is used to determine renal elimination mechanisms of a drug, which is the result of glomerular filtration, active tubular secretion and reabsorption.

肾清除率常用来表示药物在肾中的排除机制,它是肾小球滤过和肾小管分泌与重吸收的作用结果。

6.The mechanism of the impaired magnesium reabsorption is still unknown;

镁重吸收障碍的机制仍然未知;

7.Normally, reabsorption of the negative chloride ions promotes a lumen-positive voltage, driving paracellular positive calcium and magnesium absorption.

通常地,重吸收负性氯离子产生管腔内正电压,这可驱使细胞旁正性钙和镁吸收。

8.The reabsorption of water in the kidneys is vital for maintaining proper hydration levels in the body.

肾脏中的再吸收水分对于维持身体适当的水合水平至关重要。

9.Excessive reabsorption of calcium can lead to various health issues, including kidney stones.

钙的过度再吸收可能导致各种健康问题,包括肾结石。

10.The kidneys play a crucial role in the process of reabsorption, where essential nutrients are returned to the bloodstream.

肾脏在再吸收的过程中发挥着至关重要的作用,将必要的营养物质返回到血液中。

11.In the context of bone health, reabsorption refers to the process by which osteoclasts break down bone tissue.

在骨骼健康的背景下,再吸收指的是破骨细胞分解骨组织的过程。

12.During the digestive process, the intestines are responsible for the reabsorption of important vitamins and minerals.

在消化过程中,肠道负责重要维生素和矿物质的再吸收

作文

The human body is a remarkable system that constantly works to maintain balance and efficiency. One of the key processes involved in this regulation is called reabsorption, which refers to the process by which substances are reabsorbed from the renal tubules back into the bloodstream. This mechanism is crucial for conserving essential nutrients and maintaining homeostasis. Without reabsorption, our bodies would lose vital components such as glucose, amino acids, and electrolytes, leading to severe imbalances and health issues.In the kidneys, reabsorption occurs primarily in the nephrons, the functional units responsible for filtering blood. As blood passes through the glomeruli, waste products and excess substances are filtered out and enter the renal tubules. However, not all of these filtered substances need to be excreted. The nephron has specialized cells that facilitate the reabsorption of necessary substances back into the bloodstream. For instance, glucose is usually completely reabsorbed in the proximal convoluted tubule, ensuring that the body retains this critical energy source.Another important aspect of reabsorption is its role in regulating water balance. The kidneys adjust the amount of water reabsorbed based on the body's hydration status. When we are dehydrated, the hormone vasopressin signals the kidneys to increase water reabsorption, reducing urine output and helping to retain fluid. Conversely, when we are well-hydrated, less water is reabsorbed, resulting in more dilute urine.The process of reabsorption is not limited to the kidneys; it also occurs in other parts of the body. For example, in the intestines, nutrients from digested food are reabsorbed into the bloodstream. This process ensures that the body receives the vitamins, minerals, and other nutrients necessary for optimal functioning. Any disruption in this process can lead to malnutrition or deficiencies, highlighting the importance of reabsorption in overall health.Furthermore, understanding reabsorption has significant implications for medical science. Conditions such as diabetes can affect the body’s ability to reabsorb glucose effectively, resulting in high blood sugar levels. Medications that target the reabsorption process are often used to manage such conditions. For instance, SGLT2 inhibitors work by preventing glucose reabsorption in the kidneys, allowing excess glucose to be excreted through urine.In conclusion, reabsorption is a vital physiological process that plays a crucial role in maintaining the body’s internal environment. By efficiently reclaiming essential substances and regulating water balance, reabsorption helps ensure that our bodies function optimally. A deeper understanding of this process not only enhances our knowledge of human physiology but also aids in the development of targeted medical treatments for various health conditions. Recognizing the importance of reabsorption can lead to better health choices and improved medical outcomes for individuals facing challenges related to nutrient absorption and fluid balance.

人类身体是一个卓越的系统,不断努力维持平衡和效率。这个调节过程中一个关键的环节被称为再吸收,它指的是从肾小管中重新吸收到血液中的物质的过程。这个机制对保存必需营养素和维持内环境的稳定至关重要。没有再吸收,我们的身体将失去葡萄糖、氨基酸和电解质等重要成分,导致严重的不平衡和健康问题。在肾脏中,再吸收主要发生在肾单位,即负责过滤血液的功能单位。当血液通过肾小球时,废物和多余物质被过滤出来并进入肾小管。然而,并不是所有这些过滤出的物质都需要被排泄。肾单位有专门的细胞促进必要物质的再吸收回到血液中。例如,葡萄糖通常在近端小管中被完全再吸收,确保身体保留这一关键的能量来源。再吸收的另一个重要方面是其在调节水分平衡中的作用。肾脏根据身体的水合状态调整再吸收的水量。当我们脱水时,激素抗利尿激素(vasopressin)会向肾脏发出信号,增加水的再吸收,减少尿液排出,从而帮助保持液体。相反,当我们水分充足时,水的再吸收减少,导致尿液更稀。再吸收的过程不仅限于肾脏;它也发生在身体的其他部分。例如,在肠道中,消化食物中的营养物质被再吸收到血液中。这个过程确保身体获得维生素、矿物质和其他必要的营养素,以实现最佳功能。任何对这个过程的干扰都可能导致营养不良或缺乏,突显了再吸收在整体健康中的重要性。此外,理解再吸收对医学科学具有重要意义。糖尿病等疾病可能影响身体有效再吸收葡萄糖的能力,导致高血糖水平。针对再吸收过程的药物通常用于管理此类疾病。例如,SGLT2抑制剂通过阻止肾脏中的葡萄糖再吸收,使多余的葡萄糖通过尿液排出。总之,再吸收是一个至关重要的生理过程,在维持身体内部环境方面发挥着重要作用。通过有效地回收必需物质和调节水分平衡,再吸收帮助确保我们的身体正常运作。对这一过程的深入理解不仅增强了我们对人体生理学的认识,也有助于开发针对各种健康状况的靶向医疗治疗。认识到再吸收的重要性可以促使个人做出更好的健康选择,并改善面临营养吸收和液体平衡相关挑战的个体的医疗结果。