evagination

简明释义

英[ɪvædʒɪˈneɪʃən]美[ɪˈvædʒɪˌneɪʃn]

n. 外翻；外翻部分

英英释义

单词用法

同义词

反义词

例句

1.Methods:Echocardiography demonstrated saccular evagination of the ventricular wall in 3 patients. All patients underwent coronary angiography and ventriculography.

方法：超声心动图诊断的先天性心脏憩室3例，冠状动脉造影正常。

2.Methods:Echocardiography demonstrated saccular evagination of the ventricular wall in 3 patients. All patients underwent coronary angiography and ventriculography.

方法：超声心动图诊断的先天性心脏憩室3例，冠状动脉造影正常。

3.The wing is a flattened evagination of the dorsal body wall.

翅是昆虫背板的片状翻出物。

4.The process of evagination is crucial for the development of certain organisms.

某些生物的发育过程中，外翻的过程至关重要。

5.Researchers observed the evagination of the cell membrane during the experiment.

研究人员在实验中观察到细胞膜的外翻现象。

6.In anatomy, evagination refers to the outward folding of a structure.

在解剖学中，外翻指的是结构的向外折叠。

7.The evagination of the intestinal wall can lead to various digestive disorders.

肠壁的外翻可能导致各种消化系统疾病。

8.During embryonic development, evagination helps form important organs.

在胚胎发育过程中，外翻有助于形成重要器官。

作文

In biology, the term evagination refers to a process where a part of an organism's body protrudes outward. This phenomenon is particularly observed in certain types of cells and tissues, where a section of the membrane or cell wall bulges outwards to form a pouch-like structure. Understanding evagination is crucial for comprehending various biological processes, such as the formation of certain organs and the development of embryos. One of the most fascinating examples of evagination can be seen in the development of the digestive system in many animals. During embryonic development, the gut forms through a series of complex movements and transformations. The initial stage involves the invagination of the endoderm, which then undergoes evagination to create the intestinal lumen. This process is essential for establishing a functional digestive tract that will allow the organism to process food and absorb nutrients. Moreover, evagination is not limited to embryonic development; it also plays a role in the immune response. Certain immune cells, such as macrophages, can undergo evagination to extend their membrane and engulf pathogens. This ability to protrude and form extensions allows these cells to effectively capture and eliminate foreign invaders, highlighting the importance of evagination in maintaining health and combating infections. The concept of evagination can also be applied beyond the biological realm. In the field of materials science, for instance, researchers have explored the concept of evagination when designing flexible materials that can expand or contract. By mimicking biological structures that utilize evagination, scientists are developing innovative materials that can adapt to different conditions, which could lead to advancements in various industries, including robotics and biomedical engineering. Furthermore, understanding evagination can provide insights into evolutionary biology. The mechanisms behind evagination may reveal how different species have adapted their body structures over time to enhance survival. For example, the evolution of certain fish species has been linked to changes in their body morphology, which often involves evagination in their fins and other appendages. By studying these adaptations, scientists can better understand the relationship between form and function in the natural world. In conclusion, evagination is a multifaceted concept that plays a vital role in various biological processes, from embryonic development to immune responses. Its implications extend beyond biology into materials science and evolutionary studies, showcasing the interconnectedness of different fields. As research continues to advance, a deeper understanding of evagination will undoubtedly contribute to our knowledge of life sciences and inspire innovative applications in technology and medicine.

在生物学中，术语evagination指的是一个生物体的某部分向外突出的一种过程。这种现象特别在某些类型的细胞和组织中观察到，其中膜或细胞壁的某一部分向外膨胀形成一个袋状结构。理解evagination对于理解各种生物过程至关重要，例如某些器官的形成和胚胎的发展。 evagination的一个最引人入胜的例子可以在许多动物的消化系统发育中看到。在胚胎发育过程中，肠道通过一系列复杂的运动和转变形成。初始阶段涉及内胚层的内陷，随后经历evagination形成肠腔。这个过程对于建立一个功能性的消化道至关重要，它将允许生物体处理食物并吸收营养。 此外，evagination不仅限于胚胎发育；它在免疫反应中也发挥着作用。某些免疫细胞，如巨噬细胞，可以经历evagination以扩展其膜并吞噬病原体。这种向外突出并形成延伸的能力使这些细胞能够有效捕捉和消灭外来入侵者，突显了evagination在维持健康和抵抗感染中的重要性。 evagination的概念也可以应用于生物领域之外。例如，在材料科学领域，研究人员在设计可以扩展或收缩的柔性材料时探索了evagination的概念。通过模仿利用evagination的生物结构，科学家们正在开发能够适应不同条件的创新材料，这可能导致各个行业的进步，包括机器人技术和生物医学工程。 此外，理解evagination还可以为进化生物学提供见解。与evagination背后的机制可能揭示不同物种如何随着时间的推移适应其身体结构以增强生存。例如，某些鱼类物种的进化与其身体形态的变化有关，这通常涉及它们的鳍和其他附肢中的evagination。通过研究这些适应，科学家们可以更好地理解自然界中形式与功能之间的关系。 总之，evagination是一个多面向的概念，在各种生物过程中发挥着至关重要的作用，从胚胎发育到免疫反应。它的影响超越了生物学，延伸到材料科学和进化研究，展示了不同领域之间的相互联系。随着研究的持续推进，对evagination的更深入理解无疑将有助于我们对生命科学的认识，并激励在技术和医学中的创新应用。