gastrulate

简明释义

英[ˈɡæstrʊleɪt]美[ˈɡæstrʊˌlet]

vi. 处于原肠胚阶段；形成原肠胚

第 三 人 称 单 数 g a s t r u l a t e s

现 在 分 词 g a s t r u l a t i n g

过 去 式 g a s t r u l a t e d

过 去 分 词 g a s t r u l a t e d

英英释义

单词用法

同义词

反义词

例句

1.During early embryonic development, the cells begin to gastrulate, forming the three primary germ layers.

在早期胚胎发育过程中，细胞开始形成胚层，形成三种主要的胚层。

2.The process by which a blastula gastrulates is crucial for establishing the body plan of the organism.

胚泡形成胚层的过程对建立生物体的体型至关重要。

3.In amphibians, the embryo gastrulates through invagination, creating a primitive gut.

在两栖动物中，胚胎通过内陷形成胚层，形成原始肠道。

4.Researchers observed how different factors can affect the rate at which cells gastrulate.

研究人员观察到不同因素如何影响细胞形成胚层的速度。

5.The study focused on the genetic regulation of the genes involved in the gastrulation process.

这项研究集中在调控参与形成胚层过程的基因的遗传调控上。

作文

In the study of embryology, the term gastrulate refers to a crucial stage in the development of an embryo. During this process, the single-layered blastula transforms into a multi-layered structure known as the gastrula. This transformation is not merely a physical change; it marks the beginning of cellular differentiation, where cells start to take on specific roles that will define the organism's structure and function. The gastrulate phase is essential for establishing the three primary germ layers: ectoderm, mesoderm, and endoderm. Each of these layers will eventually give rise to different tissues and organs in the mature organism. The significance of the gastrulate stage cannot be overstated. It represents a pivotal moment in developmental biology where the groundwork for complex body plans is laid out. For instance, the ectoderm will develop into the skin and nervous system, while the mesoderm will form muscles, bones, and the circulatory system. The endoderm, on the other hand, will give rise to the gastrointestinal tract and associated organs. Understanding how organisms gastrulate provides insights into evolutionary biology and the similarities and differences among species. Moreover, the mechanisms behind the gastrulate process are fascinating and complex. Various signaling pathways and gene expressions are involved in guiding the cells through this transformative stage. Researchers have identified key proteins and genes that play critical roles in regulating the movements and fate of cells during gastrulation. For example, the role of the protein Nodal is crucial in initiating the formation of the mesoderm and endoderm. By studying these processes, scientists can better understand congenital disabilities and developmental disorders that arise from errors during gastrulation. The implications of studying how organisms gastrulate extend beyond just understanding basic biology. This knowledge can inform medical science, particularly in regenerative medicine and stem cell research. By mimicking the conditions that allow cells to differentiate during gastrulation, researchers hope to develop new therapies that can repair damaged tissues or even grow new organs for transplantation. Thus, the study of gastrulation not only enriches our understanding of life but also holds the potential for groundbreaking advancements in healthcare. In conclusion, the term gastrulate encapsulates a vital process in embryonic development that sets the stage for the formation of complex organisms. The transition from a simple blastula to a structured gastrula is a remarkable event that involves intricate biological mechanisms. By delving into the details of how organisms gastrulate, we gain valuable insights into the foundations of life, the evolution of species, and potential applications in medicine. As research continues to evolve, the importance of gastrulation will undoubtedly remain at the forefront of developmental biology, highlighting its role as a cornerstone of life itself.

在胚胎学研究中，术语gastrulate指的是胚胎发育中的一个关键阶段。在这个过程中，单层的囊胚转变为一种称为原肠胚的多层结构。这一转变不仅是物理变化；它标志着细胞分化的开始，细胞开始承担特定的角色，这将定义生物体的结构和功能。gastrulate阶段对于建立三种主要胚层：外胚层、中胚层和内胚层至关重要。这些层最终将形成成熟生物体中的不同组织和器官。 gastrulate阶段的重要性不容小觑。它代表了发育生物学中的一个关键时刻，在这里，复杂身体计划的基础被奠定。例如，外胚层将发展成皮肤和神经系统，而中胚层将形成肌肉、骨骼和循环系统。另一方面，内胚层将产生消化道及相关器官。理解生物体如何gastrulate为进化生物学提供了见解，并揭示了物种之间的相似性和差异。 此外，关于gastrulate过程背后的机制既迷人又复杂。各种信号通路和基因表达参与指导细胞通过这一转变阶段。研究人员已经确定了一些关键蛋白质和基因，它们在调节细胞在原肠形成过程中的运动和命运方面发挥着关键作用。例如，蛋白质Nodal在启动中胚层和内胚层形成中起着至关重要的作用。通过研究这些过程，科学家可以更好地理解在原肠形成期间出现错误而导致的先天缺陷和发育障碍。 研究生物体如何gastrulate的意义超越了对基础生物学的理解。这一知识可以为医学科学提供信息，特别是在再生医学和干细胞研究中。通过模拟允许细胞在原肠形成期间进行分化的条件，研究人员希望开发出新的疗法来修复受损组织，甚至为移植培养新器官。因此，研究原肠形成不仅丰富了我们对生命的理解，还具有在医疗保健中开创性进展的潜力。 总之，术语gastrulate概括了胚胎发育中的一个关键过程，为复杂生物体的形成奠定了基础。从简单的囊胚到结构化的原肠胚的转变是一个非凡的事件，涉及复杂的生物机制。通过深入探讨生物体如何gastrulate，我们获得了对生命基础、物种进化和医学潜在应用的宝贵见解。随着研究的不断发展，原肠形成的重要性无疑将继续处于发育生物学的前沿，突显其作为生命本身基石的角色。