gastrula

简明释义

英[ˈɡæstrʊlə]美[ˈɡæstrʊlə]

n. [胚] 原肠胚；胚囊

复 数 g a s t r u l a e 或 g a s t r u l a s

英英释义

单词用法

同义词

反义词

例句

1.The pistil shape and the development course of gastrula are not the restriction factor which cause the difference of compatibility intensity in almond.

雌蕊形态和胚囊的发育过程不是扁桃亲和性强度存在差异的制约因子。

2.Embryos at 4 ~ 8 cell stage showed higher survival rate and lower abnormal embryo rate than embryos at multicellular stage or early gastrula stage when radiated at the same dose and dose rate.

在相同剂量和剂量率下，处于4 ~8细胞期的胚胎存活率比多细胞期和囊胚早期高，而畸形率低。

3.The results showed that, the digestive canal initiated from the gastrocoele, which was formed by invagination at gastrula stage.

结果表明，单环刺消化道起源于原肠胚期内陷而成的原肠腔；

4.Embryos at 4 ~ 8 cell stage showed higher survival rate and lower abnormal embryo rate than embryos at multicellular stage or early gastrula stage when radiated at the same dose and dose rate.

在相同剂量和剂量率下，处于4 ~8细胞期的胚胎存活率比多细胞期和囊胚早期高，而畸形率低。

5.In amphibians, the transition from the blastula to the gastrula 原肠胚 is marked by significant morphological changes.

在两栖动物中，从囊胚到gastrula 原肠胚的过渡伴随着显著的形态变化。

6.During embryonic development, the formation of the gastrula 原肠胚 is a critical stage that follows the blastula.

在胚胎发育过程中，gastrula 原肠胚的形成是继囊胚之后的一个关键阶段。

7.Researchers study the gastrula 原肠胚 to understand how different cell types are formed during early development.

研究人员研究gastrula 原肠胚以了解早期发育过程中不同细胞类型的形成。

8.The process of gastrulation results in the formation of the gastrula 原肠胚, which is essential for subsequent organ development.

胚层形成过程导致gastrula 原肠胚的形成，这是后续器官发育所必需的。

9.The gastrula 原肠胚 stage involves the invagination of cells, leading to the establishment of the three germ layers.

在gastrula 原肠胚阶段，细胞的内陷导致三个胚层的建立。

作文

The process of embryonic development is a fascinating subject that reveals the complexities of life. Among the various stages of this development, the formation of the gastrula (胚胎中的一个阶段) is particularly significant. The gastrula stage follows the blastula stage and marks a critical point in the differentiation of cells. During this phase, the embryo undergoes a series of transformations that establish the foundational layers of tissue that will eventually develop into various organs and systems in the body.At the gastrula stage, the three primary germ layers are formed: the ectoderm, mesoderm, and endoderm. Each of these layers has specific roles in the development of the organism. The ectoderm will give rise to the skin and nervous system, the mesoderm will form muscles, bones, and the circulatory system, while the endoderm will develop into the gastrointestinal tract and other internal organs. This process of gastrulation is crucial because it sets the stage for further development and organization of the embryo.Gastrulation is characterized by a complex series of movements and rearrangements of cells. Cells migrate inward and spread out to form the distinct layers, a process that is tightly regulated by genetic and molecular signals. Any disruptions during this phase can lead to severe developmental issues, highlighting the importance of the gastrula (胚胎中的一个阶段) in normal embryonic development. Researchers have studied various organisms, from sea urchins to mammals, to understand how gastrulation occurs and what factors influence this critical stage.Moreover, studying the gastrula stage provides insights into evolutionary biology. By comparing the gastrulation processes across different species, scientists can infer how certain features have evolved and adapted over time. This comparative analysis helps to elucidate the shared ancestry of diverse organisms and the mechanisms that drive their development.In recent years, advances in imaging technologies and molecular biology techniques have allowed researchers to observe gastrulation in real-time. These innovations have led to new discoveries about the cellular dynamics and signaling pathways involved in the formation of the gastrula (胚胎中的一个阶段). Understanding these processes not only enhances our knowledge of developmental biology but also has implications for regenerative medicine and tissue engineering.In conclusion, the gastrula stage is a pivotal moment in embryonic development, serving as the foundation for the organism's structure and function. By studying this stage, we gain valuable insights into the complexities of life, the evolution of species, and potential applications in medicine. The intricacies of gastrulation remind us of the delicate balance required for healthy development and the profound interconnectedness of all living beings. As we continue to explore the mysteries of embryogenesis, the gastrula (胚胎中的一个阶段) will undoubtedly remain a focal point of scientific inquiry and discovery.

胚胎发育的过程是一个迷人的主题，揭示了生命的复杂性。在这一发展过程中，各个阶段中，gastrula（胚胎中的一个阶段）的形成尤其重要。gastrula阶段紧随囊胚阶段之后，标志着细胞分化的关键点。在这个阶段，胚胎经历了一系列转变，建立了将来发展成各种器官和系统的组织基础层。在gastrula阶段，形成了三种主要的胚层：外胚层、中胚层和内胚层。这些层各自发挥着特定的作用。外胚层将形成皮肤和神经系统，中胚层将形成肌肉、骨骼和循环系统，而内胚层将发展为消化道和其他内脏器官。这个胃肠化的过程至关重要，因为它为进一步的发展和胚胎的组织奠定了基础。胃肠化的特点是细胞的复杂运动和重组。细胞向内迁移并扩展以形成不同的层，这一过程受到遗传和分子信号的严格调控。在这一阶段的任何干扰都可能导致严重的发育问题，突显了gastrula（胚胎中的一个阶段）在正常胚胎发育中的重要性。研究人员研究了从海胆到哺乳动物的各种生物，以了解胃肠化是如何发生的，以及哪些因素影响这一关键阶段。此外，研究gastrula阶段为进化生物学提供了见解。通过比较不同物种的胃肠化过程，科学家可以推断出某些特征是如何随着时间的推移而进化和适应的。这种比较分析有助于阐明多样生物的共同祖先以及推动其发展的机制。近年来，成像技术和分子生物学技术的进步使研究人员能够实时观察胃肠化。这些创新带来了关于形成gastrula（胚胎中的一个阶段）的细胞动力学和信号通路的新发现。理解这些过程不仅增强了我们对发育生物学的知识，还有助于再生医学和组织工程。总之，gastrula阶段是胚胎发育中的关键时刻，为生物体的结构和功能奠定了基础。通过研究这一阶段，我们获得了有关生命复杂性、物种进化和医学潜在应用的宝贵见解。胃肠化的复杂性提醒我们健康发育所需的微妙平衡以及所有生物之间的深刻相互联系。当我们继续探索胚胎发生的奥秘时，gastrula（胚胎中的一个阶段）无疑将成为科学探究和发现的焦点。