mesonephros

简明释义

英[ˌmesəʊˈnefrɒs]美[ˌmezəˈnefrəs]

n. [胚] 中肾

复 数 m e s o n e p h r o i

英英释义

单词用法

同义词

反义词

例句

1.The development of the kidney, the major excretory organ after birth, consists of 3 stages:the pronephros, mesonephros and metanephros.

肾脏是人体主要的排泄器官，它的发育经过原肾、中肾、后肾3个阶段。

2.Objective: to observe the development of mesonephros and the expression of growth factors and their receptors in human embryo of 3th-8th weeks.

目的：观察第3 ~ 8周人胚中肾的发育和生长因子及其受体的表达。

3.To establish stromal cell lines of human aorta-gonad-mesonephros (AGM) region and study the growth characteristics and hematopoiesis related molecules expression in these cells.

人AGM区基质细胞系呈现造血组织特异的相关分子表达特征，可以作为研究造血发生机理的模式细胞。

4.The goat embryo re-acted the process of the system evolution, which passed through pronephros, mesonephros and metanephros.

山羊胚胎重新反应了系统进化的过程，该过程通过前肾，中肾和后肾。

5.Objective To explore the role of aorta-gonad-mesonephros(AGM)-derived stromal cells in promoting the differentiation of embryonic stem cells(ESCs) into hemangioblasts.

目的探讨主动脉-性腺-中肾（AGM）区来源的基质细胞诱导胚胎干细胞（ESC）向成血-血管干细胞分化的促进作用。

6.To establish stromal cell lines of human aorta-gonad-mesonephros (AGM) region and study the growth characteristics and hematopoiesis related molecules expression in these cells.

人AGM区基质细胞系呈现造血组织特异的相关分子表达特征，可以作为研究造血发生机理的模式细胞。

7.During the transition from the mesonephros 中肾 to the metanephros, significant changes occur.

在从中肾过渡到后肾的过程中，会发生显著变化。

8.The development of the mesonephros 中肾 is crucial during the embryonic stage.

在胚胎阶段，中肾的发育至关重要。

9.Research on the mesonephros 中肾 can provide insights into kidney diseases.

对中肾的研究可以为肾脏疾病提供见解。

10.In some vertebrates, the mesonephros 中肾 functions as a temporary kidney.

在一些脊椎动物中，中肾作为一个临时的肾脏功能存在。

11.The mesonephros 中肾 is formed from intermediate mesoderm during development.

中肾是在发育过程中由中间中胚层形成的。

作文

The study of embryonic development is a fascinating field that reveals the intricate processes by which complex organisms are formed from simple cells. Among the various structures that develop during this process, the mesonephros plays a crucial role in the formation of the urinary system and reproductive organs. The mesonephros is an intermediate kidney that appears during the early stages of vertebrate development, particularly in embryos of higher vertebrates, including mammals. It is essential to understand the function and significance of the mesonephros in both developmental biology and comparative anatomy.During the embryonic stage, the mesonephros serves as a vital excretory organ. In humans and other mammals, it develops after the pronephros, which is a transient structure that eventually degenerates. The mesonephros, however, is more developed and persists for a longer period before it too regresses. This organ is responsible for filtering waste products from the blood and producing urine, albeit temporarily, until the permanent kidneys take over this function later in development.In addition to its role in excretion, the mesonephros is also significant for the development of the reproductive system. In male embryos, the mesonephros contributes to the formation of structures such as the epididymis and vas deferens, which are essential for sperm transport. In females, while the mesonephros does not contribute directly to the final structure of the ovaries, it provides a framework for the development of the female reproductive tract.Interestingly, the presence and function of the mesonephros can vary significantly among different species. For example, in fish and amphibians, the mesonephros can remain functional throughout their lives, serving as the primary kidney. This adaptability highlights the evolutionary significance of the mesonephros and its role in the transition from aquatic to terrestrial life.Understanding the mesonephros is not only important for developmental biology but also has implications in medical research. Abnormalities in the development of the mesonephros can lead to congenital anomalies related to the kidneys and urinary tract. By studying the mechanisms behind mesonephros formation and regression, researchers may uncover potential therapeutic targets for addressing such conditions.In conclusion, the mesonephros is a remarkable structure that exemplifies the complexity of embryonic development. Its roles in excretion and reproduction underscore its importance in both individual development and evolutionary biology. As we continue to explore the intricacies of developmental processes, the mesonephros remains a subject of great interest, providing insights into the fundamental principles of life and the potential for medical advancements. Understanding the mesonephros not only enriches our knowledge of biology but also opens doors to future discoveries that could enhance human health and well-being.

胚胎发育的研究是一个迷人的领域，它揭示了复杂生物如何从简单细胞形成的复杂过程。在这个过程中，发育出的各种结构中，中肾在尿路系统和生殖器官的形成中扮演着至关重要的角色。中肾是一个中间肾脏，在脊椎动物发育的早期阶段出现，尤其是在包括哺乳动物在内的高等脊椎动物的胚胎中。理解中肾的功能和重要性对发育生物学和比较解剖学都是至关重要的。在胚胎阶段，中肾作为一个重要的排泄器官。在人类和其他哺乳动物中，它在原肾之后发育，原肾是一个短暂的结构，最终会退化。然而，中肾则更为发达，并且在其也退化之前会持续更长的时间。这个器官负责过滤血液中的废物并产生尿液，尽管是暂时的，直到永久肾脏在发育后期接管这一功能。除了排泄的作用外，中肾在生殖系统的发育中也具有重要意义。在雄性胚胎中，中肾有助于形成诸如附睾和输精管等结构，这些结构对于精子的运输至关重要。在雌性胚胎中，虽然中肾并不直接参与卵巢的最终结构形成，但它为女性生殖道的发育提供了框架。有趣的是，中肾的存在和功能在不同物种之间可能显著不同。例如，在鱼类和两栖动物中，中肾可以在其一生中保持功能，作为主要的肾脏。这种适应性突显了中肾的进化重要性及其在水生生活向陆生生活转变中的角色。理解中肾不仅对发育生物学很重要，还对医学研究有启示。中肾发育异常可能导致与肾脏和尿路相关的先天性异常。通过研究中肾形成和退化背后的机制，研究人员可能会发现潜在的治疗靶点，以解决这些状况。总之，中肾是一个非凡的结构，体现了胚胎发育的复杂性。它在排泄和生殖中的作用强调了它在个体发育和进化生物学中的重要性。随着我们继续探索发育过程的复杂性，中肾仍然是一个备受关注的主题，提供了对生命基本原则的深入见解以及医疗进步的潜力。理解中肾不仅丰富了我们对生物学的认识，也为未来的发现打开了大门，这些发现可能会增强人类的健康和福祉。