gastrulation

简明释义

英[ˌɡæstrʊˈleɪʃən]美[ˌɡæstruˈleɪʃən]

n. 原肠胚形成

英英释义

单词用法

同义词

反义词

例句

1.In addition to looking at normal gastrulation, the scientists also looked at what happens to gastrulation when mutations occur.

除了观察正常细胞的原肠胚形成，科学家们还观察了突变细胞。

2.In addition to looking at normal gastrulation, the scientists also looked at what happens to gastrulation when mutations occur.

除了观察正常细胞的原肠胚形成，科学家们还观察了突变细胞。

3.Gastrulation is an essential event during early embryo development.

原肠作用是脊椎动物早期胚胎发育的关键事件。

4.The gastrulation of CynoPs embryos is not interrupted by removing the bottle cells in dorsal sector.

除去瓶状细胞后原肠形成不被阻断，内卷和外包仍能继续进行；

5.During embryonic development, the process of gastrulation 胚层形成 is crucial for establishing the three germ layers.

在胚胎发育过程中，gastrulation 胚层形成 的过程对建立三个胚层至关重要。

6.The study of gastrulation 胚层形成 helps us understand the early stages of animal development.

对 gastrulation 胚层形成 的研究帮助我们理解动物发育的早期阶段。

7.In amphibians, gastrulation 胚层形成 involves the invagination of the blastula.

在两栖动物中，gastrulation 胚层形成 涉及到胚泡的内陷。

8.Researchers are studying how disruptions in gastrulation 胚层形成 can lead to congenital defects.

研究人员正在研究如何在 gastrulation 胚层形成 中的干扰可能导致先天缺陷。

9.Understanding gastrulation 胚层形成 is essential for advancements in regenerative medicine.

理解 gastrulation 胚层形成 对再生医学的进步至关重要。

作文

Gastrulation is a crucial phase in embryonic development that occurs after the formation of the blastula. During this process, the single-layered blastula reorganizes into a multi-layered structure known as the gastrula. This transformation is essential for establishing the three primary germ layers: ectoderm, mesoderm, and endoderm, which will later give rise to all the tissues and organs of the organism. Understanding gastrulation (原肠胚形成) is vital not only for developmental biology but also for medicine, as it provides insights into congenital disorders and potential regenerative therapies.The process of gastrulation (原肠胚形成) begins with the invagination, where a portion of the blastula folds inward, creating a new internal cavity. This is often followed by involution and epiboly, which further contribute to the complex reorganization of cells. For instance, in amphibians like frogs, the cells at the dorsal lip of the blastopore play a significant role in initiating this process. The movements of these cells are orchestrated by various signaling pathways, which guide them to their respective positions within the developing embryo.One of the most fascinating aspects of gastrulation (原肠胚形成) is its evolutionary significance. Studies have shown that the mechanisms underlying gastrulation (原肠胚形成) have been conserved across many species, from simple organisms like sea urchins to more complex beings such as mammals. This conservation suggests that the fundamental processes of gastrulation (原肠胚形成) are critical for the successful development of multicellular life forms. By comparing different species, scientists can gain valuable insights into how these processes have evolved and adapted over time.Moreover, disruptions in gastrulation (原肠胚形成) can lead to severe developmental issues. For example, if the cells do not migrate correctly or fail to form the necessary germ layers, it can result in conditions such as spina bifida or other congenital malformations. Thus, understanding the molecular mechanisms that regulate gastrulation (原肠胚形成) is crucial for identifying potential therapeutic targets for preventing or treating these disorders.In recent years, advances in imaging technologies and genetic manipulation have allowed researchers to study gastrulation (原肠胚形成) in unprecedented detail. By observing the live embryos of model organisms, scientists can track cell movements and interactions in real-time, providing a clearer picture of how these complex processes unfold. Additionally, the use of CRISPR and other gene-editing techniques has enabled the exploration of specific genes involved in gastrulation (原肠胚形成), further enhancing our understanding of this critical developmental stage.In conclusion, gastrulation (原肠胚形成) is a fundamental process in the early stages of development that lays the groundwork for the formation of all body structures. Its complexity and evolutionary significance make it a key area of study in developmental biology. As we continue to unravel the mysteries of gastrulation (原肠胚形成), we not only deepen our understanding of life itself but also open doors to new medical advancements that could improve human health. The journey of an embryo from a simple ball of cells to a fully formed organism is a testament to the intricate and beautifully orchestrated processes of nature, with gastrulation (原肠胚形成) being one of the most critical chapters in this remarkable story.

原肠胚形成是胚胎发育中的一个关键阶段，发生在囊胚形成之后。在这一过程中，单层的囊胚重新组织成一个多层结构，称为原肠胚。这一转变对于建立三种主要的胚层——外胚层、中胚层和内胚层至关重要，这些胚层将后来形成生物体的所有组织和器官。理解gastrulation（原肠胚形成）不仅对发育生物学至关重要，也对医学提供了洞察先天性疾病和潜在再生治疗的机会。gastrulation（原肠胚形成）的过程始于内陷，即囊胚的一部分向内折叠，形成新的内部腔。这通常伴随着卷入和表皮扩展，进一步促进细胞的复杂重组。例如，在青蛙等两栖动物中，胚泡背唇处的细胞在启动这一过程方面发挥着重要作用。这些细胞的运动由各种信号通路协调，指导它们在发育中的胚胎中达到各自的位置。gastrulation（原肠胚形成）最迷人的一个方面是其进化意义。研究表明，许多物种的gastrulation（原肠胚形成）机制得到了保留，从海胆等简单生物到哺乳动物等更复杂的生物。这种保守性表明，gastrulation（原肠胚形成）的基本过程对于多细胞生命形式的成功发育至关重要。通过比较不同物种，科学家可以获得关于这些过程如何随时间演变和适应的宝贵见解。此外，gastrulation（原肠胚形成）中的干扰可能导致严重的发育问题。例如，如果细胞未能正确迁移或未能形成必要的胚层，可能会导致脊柱裂或其他先天性畸形。因此，理解调节gastrulation（原肠胚形成）的分子机制对于识别潜在的治疗靶点以预防或治疗这些疾病至关重要。近年来，成像技术和基因操作的进步使研究人员能够以前所未有的细节研究gastrulation（原肠胚形成）。通过观察模式生物的活胚胎，科学家可以实时追踪细胞运动和相互作用，提供了对这些复杂过程展开的更清晰的图景。此外，CRISPR和其他基因编辑技术的使用使得探索参与gastrulation（原肠胚形成）的特定基因成为可能，进一步增强了我们对这一关键发育阶段的理解。总之，gastrulation（原肠胚形成）是发育早期阶段的一个基本过程，为所有身体结构的形成奠定了基础。其复杂性和进化意义使其成为发育生物学研究的关键领域。随着我们继续揭开gastrulation（原肠胚形成）的神秘面纱，我们不仅加深了对生命本身的理解，还为新的医学进展打开了大门，这些进展可能改善人类健康。从一个简单的细胞球体到一个完整的生物体的胚胎旅程，是自然精巧而美丽的过程的见证，而gastrulation（原肠胚形成）正是这一非凡故事中最关键的篇章之一。