blastocoele

简明释义

英[blɑːstəʊˈkəʊl]美[ˈblæstəˌsil]

n. [胚] 囊胚腔；分裂腔；胚泡腔；卵裂腔

英英释义

单词用法

同义词

反义词

例句

1.After thawing, 26 of the 33 embryos (most of which were composed of between two and ten cells) developed to blastocyst stage in which the blastocoele is formed.

解冻后，33枚胚胎中有26枚(大多数胚胎含有2到10个细胞)发育到囊胚阶段，此时囊胚腔已经形成。

2.After thawing, 26 of the 33 embryos (most of which were composed of between two and ten cells) developed to blastocyst stage in which the blastocoele is formed.

解冻后，33枚胚胎中有26枚(大多数胚胎含有2到10个细胞)发育到囊胚阶段，此时囊胚腔已经形成。

3.During the early stages of embryonic development, the formation of the blastocoele is crucial for proper cell differentiation.

在胚胎发育的早期阶段，胚泡腔的形成对于细胞分化至关重要。

4.Researchers observed that the size of the blastocoele can influence the overall health of the embryo.

研究人员观察到，胚泡腔的大小可以影响胚胎的整体健康。

5.In amphibians, the blastocoele plays a vital role in the early stages of gastrulation.

在两栖动物中，胚泡腔在胚胎发育早期的原肠胚形成中发挥着至关重要的作用。

6.The blastocoele acts as a fluid-filled cavity that provides nutrients to the developing embryo.

胚泡腔作为一个充满液体的腔体，为发育中的胚胎提供营养。

7.The presence of a well-defined blastocoele is a sign of a healthy embryo.

一个清晰的胚泡腔的存在是健康胚胎的标志。

作文

The study of embryology provides us with fascinating insights into the early stages of life. One of the critical structures that form during the development of an embryo is the blastocoele. The blastocoele is a fluid-filled cavity that appears in the blastula stage of embryonic development. This stage occurs after several rounds of cell division, known as cleavage, which transforms the fertilized egg into a multicellular structure. Understanding the function and significance of the blastocoele is essential for grasping how embryos develop and differentiate into complex organisms.During the early stages of development, the zygote undergoes rapid cell division, resulting in a hollow sphere of cells called the blastula. At this point, the blastocoele forms within the blastula, providing a space that allows the cells to communicate and organize themselves effectively. The presence of the blastocoele is vital because it helps maintain the shape of the embryo and plays a crucial role in the subsequent processes of gastrulation and organogenesis.Gastrulation is a significant phase in embryonic development where the single-layered blastula reorganizes into a multi-layered structure. The blastocoele serves as a reference point for the migration of cells during this process. Cells move inward from the surface of the blastula, creating distinct layers that will eventually differentiate into various tissues and organs. Without the proper formation of the blastocoele, these critical movements and reorganizations might not occur correctly, leading to developmental abnormalities.Moreover, the blastocoele also plays a role in nutrient distribution and waste removal within the developing embryo. The fluid within the blastocoele contains essential nutrients that support the cells as they continue to divide and differentiate. As the embryo grows, the blastocoele may shrink or change in size, reflecting the ongoing changes in the embryo's structure and needs.In addition to its physical and functional roles, the blastocoele also holds significance in evolutionary biology. Different species exhibit variations in the size and shape of the blastocoele, which can provide insights into their evolutionary adaptations and developmental strategies. By studying the blastocoele across various species, scientists can better understand the fundamental principles of development and how they have evolved over time.In conclusion, the blastocoele is a crucial component in the early stages of embryonic development. Its formation marks a pivotal point in the transition from a single-celled zygote to a multicellular organism. The blastocoele facilitates communication among cells, supports nutrient distribution, and provides a framework for the complex processes of gastrulation and organogenesis. As research in developmental biology continues to advance, the importance of the blastocoele in understanding both normal development and potential developmental disorders cannot be overstated. By delving deeper into the mechanisms surrounding the blastocoele, we can unlock new knowledge about the origins of life and the intricate processes that govern growth and development in living organisms.

胚胎学的研究为我们提供了对生命早期阶段的迷人见解。在胚胎发育过程中形成的一个关键结构是胚泡腔。胚泡腔是一个充满液体的腔体，在胚胎发育的胚泡阶段出现。这个阶段发生在几个细胞分裂（称为卵裂）之后，受精卵转变为多细胞结构。理解胚泡腔的功能和意义对于掌握胚胎如何发育和分化为复杂生物至关重要。在发育的早期阶段，合子经历快速的细胞分裂，形成一个称为胚泡的空心细胞球。在这一点上，胚泡腔在胚泡内部形成，提供一个空间，使细胞能够有效地相互沟通和组织。胚泡腔的存在至关重要，因为它有助于维持胚胎的形状，并在随后的胚层形成和器官发生过程中发挥关键作用。胚层形成是胚胎发育中的一个重要阶段，此时单层的胚泡重新组织成多层结构。胚泡腔作为这一过程中心细胞迁移的参考点。细胞从胚泡表面向内移动，形成不同的层，这些层最终会分化为各种组织和器官。如果胚泡腔的形成不正确，这些关键的运动和重组可能无法正确发生，从而导致发育异常。此外，胚泡腔还在营养分配和废物去除方面发挥作用。胚泡腔内的液体含有支持细胞继续分裂和分化所需的基本营养素。随着胚胎的生长，胚泡腔可能会收缩或改变大小，反映出胚胎结构和需求的持续变化。除了其物理和功能角色，胚泡腔在进化生物学中也具有重要意义。不同物种在胚泡腔的大小和形状上表现出差异，这可以提供关于它们进化适应性和发育策略的见解。通过研究不同物种的胚泡腔，科学家可以更好地理解发育的基本原则及其随时间演变的方式。总之，胚泡腔是胚胎发育早期阶段的关键组成部分。它的形成标志着从单细胞合子到多细胞生物的转变的关键点。胚泡腔促进细胞之间的沟通，支持营养分配，并为复杂的胚层形成和器官发生过程提供框架。随着发育生物学研究的不断进展，理解正常发育和潜在发育障碍中胚泡腔的重要性不容小觑。通过深入研究围绕胚泡腔的机制，我们可以揭示有关生命起源和支配生物体生长与发育的复杂过程的新知识。