nephridium

简明释义

英[nɪˈfrɪdɪəm]美[nəˈfrɪdɪəm]

n. 肾，肾管

复 数 n e p h r i d i a

英英释义

单词用法

同义词

反义词

例句

1.Objective Study on the changes of Orphanin FQ in the plasma and nephridium organizes of rat with Brian trauma, and to explore the effects of Orphanin FQ on acute nephridium injury.

目的研究脑损伤大鼠血浆及肾组织匀浆中孤啡肽含量变化及急性肾损害中的作用。

2.Objective Study on the changes of Orphanin FQ in the plasma and nephridium organizes of rat with Brian trauma, and to explore the effects of Orphanin FQ on acute nephridium injury.

目的研究脑损伤大鼠血浆及肾组织匀浆中孤啡肽含量变化及急性肾损害中的作用。

3.To discuss the worth of the clinical utilization of treating acute obstructive renal failure with percutaneous nephridium punctureing ostomy under the B-ultrasound guiding.

目的：探讨在B超引导下行经皮肾穿刺造瘘术在治疗急性梗阻性肾功能衰竭中的应用价值。

4.Conclusion The parameter of platelet are important consult of judgment malady, injury of heart, liver nephridium and platelet count was correlation.

结论血小板参数是判断疾病的重要参考指标，肝、肾、心脏器损伤程度与血小板计数具有相关性。

5.Conclusion Orphanin FQ may be an important factor in the process of acute nephridium injury after Brian trauma.

结论孤啡肽含量变化在脑外伤后急性肾损害过程中起重要作用。

6.The excretory system of earthworms includes a pair of nephridia 肾管 that help in the removal of waste.

蚯蚓的排泄系统包括一对nephridia 肾管，帮助去除废物。

7.In many mollusks, the nephridia 肾管 function similarly to kidneys in vertebrates.

在许多软体动物中，nephridia 肾管的功能类似于脊椎动物的肾脏。

8.The nephridia 肾管 in annelids are responsible for osmoregulation and excretion.

环节动物中的nephridia 肾管负责渗透调节和排泄。

9.Each segment of the worm contains a pair of nephridia 肾管 that filter the blood.

每个虫段包含一对nephridia 肾管，过滤血液。

10.The nephridia 肾管 of marine organisms often have adaptations for dealing with saltwater.

海洋生物的nephridia 肾管通常具有处理盐水的适应性。

作文

The study of biology reveals the intricate systems that sustain life. One such fascinating structure is the nephridium, a vital organ found in various invertebrates, particularly annelids and mollusks. The nephridium serves as an excretory organ, playing a crucial role in maintaining homeostasis by regulating the body’s fluid balance and removing metabolic waste. Understanding the function and significance of the nephridium not only deepens our appreciation for these organisms but also enhances our knowledge of evolutionary biology. In annelids, such as earthworms, the nephridium is a paired structure that resembles a kidney. Each segment of the worm contains a pair of nephridia, which filter coelomic fluid and remove excess water, salts, and nitrogenous wastes. This filtration process begins when the coelomic fluid enters the nephridium through a funnel-like opening called the nephrostome. As the fluid passes through the tubule of the nephridium, valuable substances are reabsorbed into the bloodstream, while waste products are excreted through the nephridiopore, an external opening. This efficient system allows annelids to thrive in various environments, from moist soil to aquatic habitats. Similarly, in mollusks like snails and clams, the nephridium plays a comparable role. These organisms possess a single or paired nephridia that filter waste from the hemolymph, the mollusk's equivalent of blood. The nephridium in these creatures can be quite complex, often featuring a convoluted structure that maximizes the surface area for absorption and secretion. This complexity allows mollusks to adapt to diverse ecological niches, showcasing the evolutionary significance of the nephridium. The evolutionary history of the nephridium provides insight into how different species have adapted their excretory systems to cope with environmental challenges. For instance, while most annelids and mollusks rely on nephridia for excretion, other animal groups have developed alternative systems. In vertebrates, for example, the kidneys serve a similar purpose, highlighting the diverse evolutionary pathways that lead to the development of excretory organs. Research into the nephridium has implications beyond understanding basic biology. It can inform studies on environmental health, as the efficiency of these organs in filtering toxins can indicate the overall health of ecosystems. Additionally, examining the nephridium can shed light on evolutionary adaptations that allow organisms to survive in polluted environments, revealing potential strategies for bioremediation. In conclusion, the nephridium is more than just a simple excretory organ; it is a testament to the complexity and adaptability of life forms. By studying the nephridium in various organisms, we gain valuable insights into evolutionary biology, ecology, and the intricate balance of life on Earth. As we continue to explore the natural world, the nephridium remains a key focus for understanding the mechanisms that underpin life itself. Its significance extends beyond individual organisms, connecting us to the broader tapestry of life on our planet.

生物学的研究揭示了维持生命的复杂系统。其中一个迷人的结构是肾管，这是在各种无脊椎动物中发现的重要器官，特别是在环节动物和软体动物中。肾管作为排泄器官，发挥着至关重要的作用，通过调节身体的液体平衡和去除代谢废物来维持体内环境的稳定。理解肾管的功能和重要性，不仅加深了我们对这些生物的欣赏，还增强了我们对进化生物学的认识。 在环节动物中，如蚯蚓，肾管是一种成对的结构，类似于肾脏。每个蚯蚓的节段都包含一对肾管，它们过滤体腔液，去除多余的水、盐和氮废物。这个过滤过程始于体腔液通过称为肾口的漏斗状开口进入肾管。当液体通过肾管的管腔时，有价值的物质被重新吸收到血液中，而废物则通过肾孔排出，这是一个外部开口。这个高效的系统使环节动物能够在各种环境中生存，从潮湿的土壤到水生栖息地。 同样，在像蜗牛和蛤蜊这样的软体动物中，肾管也发挥着类似的作用。这些生物具有单个或成对的肾管，从血淋巴中过滤废物，血淋巴是软体动物相当于血液的液体。这些生物体内的肾管可能相当复杂，通常具有卷曲的结构，以最大化吸收和分泌的表面积。这种复杂性使软体动物能够适应多种生态位，展示了肾管的进化重要性。 肾管的进化历史提供了不同物种如何适应环境挑战的见解。例如，虽然大多数环节动物和软体动物依赖肾管进行排泄，但其他动物群体则发展出了替代系统。在脊椎动物中，例如，肾脏发挥着类似的作用，突显了导致排泄器官发展出的多样进化路径。 对肾管的研究不仅限于理解基础生物学。它可以为环境健康研究提供信息，因为这些器官过滤毒素的效率可以指示生态系统的整体健康。此外，研究肾管可以揭示使生物能够在污染环境中生存的进化适应策略，从而揭示生物修复的潜在策略。 总之，肾管不仅仅是一个简单的排泄器官；它是生命形式复杂性和适应性的证明。通过研究各种生物中的肾管，我们获得了关于进化生物学、生态学和地球上生命微妙平衡的宝贵见解。随着我们继续探索自然世界，肾管仍然是理解支撑生命本身机制的关键焦点。它的重要性超越了个体生物，将我们与地球上生命的更广泛拼图联系在一起。