paranephros

简明释义

[ˌpærəˈnɛfros][ˌpærəˈnɛfros]

n. 肾上腺

复 数 p a r a n e p h r o i

英英释义

A paranephros is a type of organ in some vertebrates that is located near the kidneys and is involved in excretion and osmoregulation.

旁肾是某些脊椎动物体内一种位于肾脏附近的器官,参与排泄和渗透调节。

单词用法

同义词

adrenal gland

肾上腺

The adrenal glands are responsible for producing hormones that help regulate metabolism, immune response, and blood pressure.

肾上腺负责产生调节新陈代谢、免疫反应和血压的激素。

suprarenal gland

肾上腺

The suprarenal glands sit atop the kidneys and play a crucial role in stress response.

肾上腺位于肾脏上方,在应对压力方面发挥着关键作用。

反义词

nephros

The nephros is essential for filtering blood.

肾在过滤血液中是必不可少的。

kidney

肾脏

The kidney plays a crucial role in maintaining fluid balance.

肾脏在维持体液平衡中起着至关重要的作用。

例句

1.In some species, the paranephros serves as a secondary excretory organ.

在某些物种中,旁肾作为一个次级排泄器官。

2.The embryonic development of the kidneys involves the formation of the paranephros, which is a temporary structure.

肾脏的胚胎发育涉及到旁肾的形成,这是一种临时结构。

3.During the dissection, we observed the paranephros alongside the main kidney.

在解剖过程中,我们观察到了与主要肾脏并排的旁肾

4.Researchers study the paranephros to understand its role in renal physiology.

研究人员研究旁肾以了解其在肾脏生理学中的作用。

5.The presence of a well-developed paranephros can indicate evolutionary adaptations in certain animals.

发达的旁肾可能表明某些动物的进化适应性。

作文

The human body is a complex and intricate system, where each organ plays a crucial role in maintaining overall health and functionality. Among these organs, the kidneys are often highlighted for their importance in filtering blood and producing urine. However, there is another structure related to the kidneys that is less commonly discussed: the paranephros. The paranephros is an embryonic structure that develops alongside the kidneys, playing a significant role during the early stages of development. It is important to understand the paranephros not only from an anatomical perspective but also from a developmental biology standpoint.In the context of renal development, the paranephros serves as a precursor to the kidneys. During the embryonic phase, the mesodermal tissue differentiates into various structures, including the pronephros, mesonephros, and finally the metanephros, which becomes the functional kidney in adults. The paranephros, although it does not develop into a fully functioning organ like the metanephros, provides essential signals that guide the formation and maturation of the kidneys.One interesting aspect of the paranephros is its relationship with other organs. For example, in some vertebrates, the paranephros can contribute to the formation of reproductive structures. This highlights the interconnectedness of organ systems during development. Understanding the role of the paranephros can shed light on congenital anomalies related to kidney development, which can lead to serious health issues if not addressed.Moreover, studying the paranephros can provide insights into evolutionary biology. The presence of this structure in various species suggests that it may have played a vital role in the evolution of the excretory system. By comparing the paranephros across different organisms, scientists can trace the evolutionary adaptations that have occurred over time, leading to the efficient renal systems we see today.In conclusion, while the paranephros may not be as well-known as the kidneys, its significance in development and evolution cannot be overlooked. By exploring the intricacies of the paranephros, researchers can gain a deeper understanding of kidney formation and function, as well as the potential implications for health and disease. As we continue to uncover the mysteries of the human body, the paranephros serves as a reminder of the complexity and interdependence of our biological systems.

人类身体是一个复杂而精细的系统,每个器官在维持整体健康和功能方面都发挥着至关重要的作用。在这些器官中,肾脏常常因其在过滤血液和产生尿液中的重要性而受到关注。然而,还有一个与肾脏相关的结构较少被讨论:paranephrosparanephros 是一个在肾脏旁边发育的胚胎结构,在发育的早期阶段发挥着重要作用。理解paranephros 不仅从解剖学的角度出发,还要从发育生物学的角度进行。在肾脏发育的背景下,paranephros 作为肾脏的前体。在胚胎阶段,间充质组织分化成各种结构,包括前肾、后肾,最终形成成年人的功能性肾脏——后肾。虽然paranephros 并没有发展成像后肾那样完全功能性的器官,但它提供了指导肾脏形成和成熟的重要信号。paranephros 的一个有趣方面是它与其他器官的关系。例如,在某些脊椎动物中,paranephros 可以参与生殖结构的形成。这突显了发育过程中器官系统之间的相互关联性。理解paranephros 的作用可以为与肾脏发育相关的先天性异常提供线索,如果不加以解决,可能会导致严重的健康问题。此外,研究paranephros 还可以提供对进化生物学的见解。不同物种中存在这一结构表明,它可能在排泄系统的进化中发挥了重要作用。通过比较不同生物中的paranephros,科学家们可以追踪随着时间推移而发生的进化适应,导致我们今天所看到的高效肾脏系统。总之,尽管paranephros 可能没有肾脏那么知名,但其在发育和进化中的重要性不可忽视。通过探索paranephros 的复杂性,研究人员可以深入了解肾脏的形成和功能,以及对健康和疾病的潜在影响。随着我们继续揭开人体的奥秘,paranephros 提醒我们生物系统的复杂性和相互依赖性。