nephrons

简明释义

英[ˈnɛfrɒnz]美[ˈnɛfrənz]

n. 肾元；[解剖]肾单位（nephron 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.CONCLUSION: Niaodukang can improve the patients immune function, inhibit metabolism and protect residual nephrons, thus effectively delaying CRF process.

结论：尿毒康可增强患者免疫功能，抑制机体代谢，从而保护残余肾单位，有效延缓CRF病情的进展。

2.CONCLUSION: Niaodukang can improve the patients immune function, inhibit metabolism and protect residual nephrons, thus effectively delaying CRF process.

结论：尿毒康可增强患者免疫功能，抑制机体代谢，从而保护残余肾单位，有效延缓CRF病情的进展。

3.The reaction decreased with the development of nephrons, however, moderate reaction was still observed on 30th postnatal day in S_3 segment.

随着肾单位的发育，免疫反应虽有所减弱，但生后第30天仍可看到中等强度的反应。

4.More nephrons is good because it reduces the risk of high blood pressure.

肾元多是有好处的，因为那能减少的高血压的风险。

5.Each nephron consists of a glomerulus and a tubule, working together to regulate water and electrolyte balance.

每个肾单位由一个肾小球和一个小管组成，它们共同调节水和电解质平衡。

6.Inadequate blood flow to the nephrons can impair their function and result in kidney failure.

对肾单位血流不足会损害其功能，并导致肾脏衰竭。

7.Damage to the nephrons can lead to chronic kidney disease and other health complications.

对肾单位的损害可能导致慢性肾病和其他健康并发症。

8.Medications that affect the nephrons can be crucial in treating hypertension.

影响肾单位的药物在治疗高血压中可能至关重要。

9.The kidneys contain approximately one million nephrons, which are the functional units responsible for filtering blood.

肾脏包含大约一百万个肾单位，它们是负责过滤血液的功能单元。

作文

The human body is an intricate system of organs and tissues that work together to maintain homeostasis. One of the most vital components of this system is the kidney, which plays a crucial role in filtering blood and producing urine. Within each kidney, there are approximately one million tiny structures called nephrons, which are the functional units responsible for the filtration process. Understanding the structure and function of nephrons is essential for grasping how our bodies regulate fluids, electrolytes, and waste products.Each nephron consists of two main parts: the renal corpuscle and the renal tubule. The renal corpuscle is composed of a glomerulus, a network of tiny blood vessels, and Bowman's capsule, which encases the glomerulus. As blood flows through the glomerulus, it is filtered, allowing water, ions, and small molecules to pass into the Bowman's capsule while retaining larger molecules like proteins and blood cells. This initial filtration process is crucial because it sets the stage for the subsequent steps in urine formation.After the filtration occurs, the filtrate travels through the renal tubule, which consists of several segments: the proximal convoluted tubule, the loop of Henle, and the distal convoluted tubule. Each segment has specific functions that further modify the filtrate. For instance, in the proximal convoluted tubule, a significant amount of water, glucose, and ions are reabsorbed back into the bloodstream. This reabsorption process ensures that essential nutrients are not lost in urine.The loop of Henle plays a pivotal role in creating a concentration gradient in the kidney, allowing for the efficient reabsorption of water and salts. This is particularly important for maintaining the body’s hydration levels and overall electrolyte balance. Finally, the distal convoluted tubule fine-tunes the composition of the urine by adjusting the reabsorption of sodium and potassium, influenced by hormones such as aldosterone.The health of our nephrons is critical for overall well-being. When nephrons are damaged or diseased, it can lead to serious health issues, including chronic kidney disease (CKD) and kidney failure. Factors such as diabetes, hypertension, and certain genetic conditions can adversely affect the nephrons, leading to a decline in kidney function over time. Early detection and management of these conditions are vital for preserving nephrons and maintaining kidney health.Moreover, lifestyle choices play a significant role in the health of our nephrons. Staying hydrated, eating a balanced diet low in processed foods, and engaging in regular physical activity can help protect these essential structures. Additionally, avoiding excessive use of over-the-counter pain medications and limiting alcohol consumption can also contribute to better kidney health.In conclusion, nephrons are indispensable units within the kidneys that perform the essential task of filtering blood and regulating bodily fluids. Their complex structure and function highlight the remarkable design of the human body. By understanding the importance of nephrons and taking proactive measures to protect them, we can promote better kidney health and overall well-being throughout our lives.

人类身体是一个复杂的器官和组织系统，这些器官和组织共同工作以维持体内平衡。其中一个最重要的组成部分是肾脏，它在过滤血液和产生尿液方面发挥着至关重要的作用。在每个肾脏中，大约有一百万个微小结构，称为肾单位，它们是负责过滤过程的功能单位。理解肾单位的结构和功能对于掌握我们身体如何调节液体、电解质和废物至关重要。每个肾单位由两个主要部分组成：肾小体和肾小管。肾小体由一个名为肾小球的微小血管网络和包围肾小球的鲍曼囊组成。当血液流经肾小球时，它会被过滤，使水、离子和小分子能够进入鲍曼囊，而较大的分子如蛋白质和血细胞则被保留。这一初步过滤过程至关重要，因为它为尿液形成的后续步骤奠定了基础。过滤后，滤液通过肾小管，肾小管由几个部分组成：近曲小管、亨利氏环和远曲小管。每个部分都有特定的功能，可以进一步修改滤液。例如，在近曲小管中，大量的水、葡萄糖和离子被重新吸收到血液中。这一重吸收过程确保了基本营养物质不会在尿液中丢失。亨利氏环在肾脏中创造浓度梯度方面发挥着关键作用，使水和盐的高效重吸收成为可能。这对于维持身体的水合水平和整体电解质平衡尤为重要。最后，远曲小管通过调整钠和钾的重吸收来微调尿液的成分，这一过程受到激素如醛固酮的影响。我们的肾单位健康对整体健康至关重要。当肾单位受损或患病时，可能导致严重的健康问题，包括慢性肾病（CKD）和肾衰竭。糖尿病、高血压和某些遗传疾病等因素可能会对肾单位产生不利影响，导致肾功能随着时间的推移而下降。早期检测和管理这些情况对于保护肾单位和维持肾脏健康至关重要。此外，生活方式选择在我们的肾单位健康中也起着重要作用。保持水分充足、饮食均衡、低加工食品、定期进行体育锻炼可以帮助保护这些重要结构。此外，避免过度使用非处方止痛药和限制酒精摄入也可以促进更好的肾脏健康。总之，肾单位是肾脏内不可或缺的单位，执行过滤血液和调节体液的基本任务。它们复杂的结构和功能突显了人类身体的卓越设计。通过理解肾单位的重要性并采取积极措施保护它们，我们可以促进更好的肾脏健康和整体福祉，贯穿我们的一生。