epiboly
简明释义
n. 外包
复 数 e p i b o l i e s
英英释义
Epiboly is a biological process in which a sheet of cells expands and moves to enclose or cover another structure during embryonic development. | 外胚层是一种生物过程,在这个过程中,一层细胞扩展并移动以包围或覆盖另一个结构,通常发生在胚胎发育中。 |
单词用法
胚层的epiboly | |
胚胎发育中的epiboly | |
完全的epiboly | |
部分的epiboly |
同义词
反义词
例句
1.The article analyzes the status quo of the counterglow software epiboly entirely. It puts forward some idea on the reformation of teaching from the fundamental problems being lacking of IT persons.
本文通过当前对日软件外包现状的全面分析,就IT人才不足的根本问题,结合当前高职教学状况提出了几方面的教学改革意见。
2.The article analyzes the status quo of the counterglow software epiboly entirely. It puts forward some idea on the reformation of teaching from the fundamental problems being lacking of IT persons.
本文通过当前对日软件外包现状的全面分析,就IT人才不足的根本问题,结合当前高职教学状况提出了几方面的教学改革意见。
3.The paper studied tests on three epiboly profiled bar concrete beams, bearing capacity of normal section, stiffness and behavior of cracks, and put forward formulas as advise .
本文通过三根外包型钢混凝土梁试验,研究了其正截面承载能力、刚度以及裂缝方面的性质,并提出了一些相关建议公式。
4.Smooth skin of overall shape of evolution can be summarized by the following six epidermis movement epiboly, convexity, invagination, involution, ingression and delamination.
光滑表皮在拓扑变换中形态演化总体可概括为以下六种表皮发生机制:外包、外突、内陷、内卷、内移以及层裂。
5.In order to prevent the risk of software epiboly, it audit is introduced.
为了防范软件外包风险,须对其过程进行IT审计。
6.During the early stages of embryonic development, the process of epiboly 外胚层生长 allows the blastoderm to spread over the yolk.
在胚胎发育的早期阶段,epiboly 外胚层生长 的过程使得胚层能够覆盖在卵黄上。
7.In zebrafish, epiboly 外胚层生长 is crucial for proper embryonic patterning.
在斑马鱼中,epiboly 外胚层生长 对于正确的胚胎模式形成至关重要。
8.Researchers observed that the rate of epiboly 外胚层生长 can vary significantly among different species.
研究人员观察到,不同物种之间的 epiboly 外胚层生长 速率可能会有显著差异。
9.The phenomenon of epiboly 外胚层生长 is essential for the formation of the ectoderm.
epiboly 外胚层生长 现象对于外胚层的形成是必不可少的。
10.In amphibians, epiboly 外胚层生长 helps in the migration of cells during gastrulation.
在两栖动物中,epiboly 外胚层生长 有助于细胞在胚层形成过程中的迁移。
作文
In the study of embryology, one encounters various fascinating processes that contribute to the development of an organism. One such process is known as epiboly, which refers to the expansion and movement of epithelial cells to enclose the yolk during early embryonic development. This phenomenon is particularly evident in amphibians and fish, where the cells of the blastoderm spread over the yolk mass, ultimately forming the outer layer of the embryo. Understanding epiboly is crucial for biologists and researchers as it plays a significant role in shaping the embryo's structure and ensuring proper development. The mechanism of epiboly is driven by several factors, including cell division, cell shape changes, and the interactions between different cell layers. As the cells divide, they become more numerous and start to migrate towards the yolk, stretching and spreading outwards. This movement is not random; rather, it is a highly coordinated process that involves signaling pathways and cellular adhesion molecules. These components work together to ensure that the cells move in an organized manner, ultimately leading to the successful encasement of the yolk. Moreover, epiboly can be influenced by environmental factors. For instance, the availability of nutrients and the physical properties of the yolk can impact how effectively the cells can spread. In laboratory settings, researchers often manipulate these conditions to observe how epiboly occurs under various circumstances. Such experiments provide insights into the fundamental principles of developmental biology and can lead to advancements in medical science, particularly in regenerative medicine and tissue engineering. The significance of epiboly extends beyond mere cell movement. It is intertwined with other developmental processes such as gastrulation and organogenesis. During gastrulation, the three primary germ layers—ectoderm, mesoderm, and endoderm—are formed, and epiboly aids in this transition by allowing cells to rearrange and position themselves correctly within the developing embryo. This precise arrangement is essential for the formation of various organs and systems later in development. In conclusion, epiboly is a vital process in embryonic development that illustrates the complexity and beauty of life. By studying epiboly and its implications, scientists gain a deeper understanding of how organisms develop from a single cell into a fully formed being. The insights gained from this research not only enhance our knowledge of biology but also hold promise for future applications in medicine and biotechnology. As we continue to explore the intricacies of embryological processes like epiboly, we uncover the remarkable mechanisms that govern life itself.
在胚胎学的研究中,我们会遇到各种迷人的过程,这些过程有助于生物体的发展。其中一个过程被称为epiboly,它指的是上皮细胞的扩展和移动,以包裹卵黄,在早期胚胎发育过程中尤为明显。这一现象在两栖动物和鱼类中尤为显著,其中胚盘的细胞在卵黄团周围扩展,最终形成胚胎的外层。理解epiboly对于生物学家和研究人员至关重要,因为它在塑造胚胎结构和确保正常发育方面发挥着重要作用。 epiboly的机制受到多种因素的驱动,包括细胞分裂、细胞形状变化以及不同细胞层之间的相互作用。当细胞分裂时,它们的数量增加,并开始向卵黄迁移,向外伸展和扩展。这一运动并不是随机的,而是一个高度协调的过程,涉及信号通路和细胞粘附分子的作用。这些成分共同作用,确保细胞以有序的方式移动,最终成功包裹卵黄。 此外,环境因素也可以影响epiboly。例如,营养物质的可用性和卵黄的物理特性可能会影响细胞扩展的有效性。在实验室环境中,研究人员通常操纵这些条件,以观察在各种情况下epiboly的发生。这些实验提供了关于发育生物学基本原理的见解,并可能导致医学科学的进步,特别是在再生医学和组织工程领域。 epiboly的重要性不仅仅体现在细胞运动上。它与其他发育过程如原肠胚形成和器官发生密切相关。在原肠胚形成过程中,形成三个主要胚层——外胚层、中胚层和内胚层,而epiboly通过使细胞正确地重新排列和定位来帮助这一转变。这种精确的排列对于后续器官和系统的形成至关重要。 总之,epiboly是胚胎发育中的一个重要过程,展示了生命的复杂性和美丽。通过研究epiboly及其影响,科学家们对生物体如何从单个细胞发展为完整生物体有了更深入的理解。此研究所获得的见解不仅增强了我们对生物学的知识,而且对未来在医学和生物技术中的应用充满希望。随着我们继续探索诸如epiboly等胚胎学过程的复杂性,我们揭示了支配生命本身的非凡机制。
文章标题:epiboly的意思是什么
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