oogonium

简明释义

英[ˌəʊəˈɡəʊnɪəm]美[ˌoəˈɡonɪəm]

n. [植] 藏卵器；[细胞] 卵原细胞

复 数 o o g o n i a 或 o o g o n i u m s

英英释义

单词用法

同义词

反义词

例句

1.It was difficult to distinguish oogonium from spermatogonium according to the shape and size of gonium under light microscope.

在光镜下难以根据性原细胞的形态和大小区分卵原细胞和精原细胞。

2.It was difficult to distinguish oogonium from spermatogonium according to the shape and size of gonium under light microscope.

在光镜下难以根据性原细胞的形态和大小区分卵原细胞和精原细胞。

3.In the life cycle of certain algae, the female gametophyte produces an oogonium, which is the structure that develops into an egg cell.

在某些藻类的生命周期中，雌配子体产生一个oogonium，这是发育成卵细胞的结构。

4.The oogonium is crucial for sexual reproduction in many fungi, as it leads to the formation of oospores.

在许多真菌中，oogonium 对于有性繁殖至关重要，因为它导致卵孢子的形成。

5.Researchers observed the development of the oogonium under a microscope to study its cellular structure.

研究人员在显微镜下观察了oogonium 的发育，以研究其细胞结构。

6.In some species of plants, the oogonium can be found embedded within the reproductive tissues.

在某些植物物种中，oogonium 可以嵌入在生殖组织中。

7.The fertilization process begins when sperm cells reach the oogonium and penetrate it.

当精子细胞到达并穿透oogonium 时，受精过程开始。

作文

In the fascinating world of biology, the study of reproduction and development reveals many intricate processes. One such process involves the formation of gametes, which are the reproductive cells necessary for sexual reproduction. In plants and certain algae, the female gametes are produced in structures known as oogonium, a term derived from Greek roots meaning 'egg' and 'organ'. The oogonium (卵母细胞) is crucial for the development of eggs in organisms that reproduce sexually. The oogonium serves as a precursor to the egg cells, or ova, and is typically found in the female reproductive organs of various species, including flowering plants and some fungi. Understanding the role of the oogonium is essential for comprehending how these organisms propagate their species and ensure genetic diversity. During the early stages of gametogenesis, the oogonium undergoes mitotic divisions to produce a number of primary oocytes. These primary oocytes then enter a phase of development called meiosis, where they will ultimately form the mature egg cells. This process is not only vital for reproduction but also plays a significant role in the genetic variation seen in offspring, as meiosis introduces new combinations of genes. In flowering plants, the oogonium is often located within the ovule, which is housed in the ovary of the flower. The ovule is a critical structure that not only contains the oogonium but also provides the necessary environment for fertilization and subsequent seed development. Once fertilization occurs, the zygote develops into a seed, ensuring the continuation of the plant's life cycle. The significance of the oogonium extends beyond just the mechanics of reproduction. It is a key player in the evolutionary strategies of many species. For instance, the number of oogonia produced can influence the reproductive success of a species in varying environmental conditions. In some cases, organisms may adapt their reproductive strategies based on resource availability, leading to fluctuations in oogonium production. Furthermore, studying the oogonium can provide insights into developmental biology and genetics. Researchers often explore how different environmental factors affect the development of oogonia and their subsequent maturation into functional gametes. This knowledge is not only important for understanding plant biology but also has implications for agriculture, conservation, and biotechnology. In conclusion, the oogonium (卵母细胞) plays a pivotal role in the reproductive cycle of many organisms. Its function as a precursor to egg cells underscores its importance in the broader context of sexual reproduction and genetic diversity. By studying the oogonium, scientists can gain a better understanding of the complexities of life, evolution, and the delicate balance of ecosystems. As we continue to delve deeper into the mysteries of biology, the oogonium remains a fascinating subject that highlights the beauty and intricacy of life itself.

在生物学的迷人世界中，生殖和发育的研究揭示了许多复杂的过程。其中一个过程涉及配子的形成，这些配子是性生殖所必需的生殖细胞。在植物和某些藻类中，女性配子是在称为oogonium的结构中产生的，这个术语源于希腊语，意为“卵”和“器官”。oogonium（卵母细胞）对于在进行性繁殖的生物中卵子的发育至关重要。 oogonium作为卵细胞的前体，通常位于各种物种的女性生殖器官中，包括开花植物和某些真菌。理解oogonium的作用对于理解这些生物如何繁衍其物种并确保遗传多样性至关重要。 在配子发生的早期阶段，oogonium经历有丝分裂，产生许多初级卵母细胞。这些初级卵母细胞随后进入一个称为减数分裂的发展阶段，在此阶段，它们最终形成成熟的卵细胞。这个过程不仅对生殖至关重要，而且在后代中引入新的基因组合，从而在遗传变异中起着重要作用。 在开花植物中，oogonium通常位于胚珠内，胚珠则位于花的子房中。胚珠是一个关键结构，不仅包含oogonium，而且为受精和后续的种子发育提供了必要的环境。一旦发生受精，合子就会发育成种子，确保植物生命周期的延续。 oogonium的重要性不仅限于生殖机制。它是许多物种进化策略中的关键参与者。例如，所产生的oogonia的数量可以影响物种在不同环境条件下的繁殖成功。在某些情况下，生物可能会根据资源的可用性调整其繁殖策略，从而导致oogonium产量的波动。 此外，研究oogonium可以为发育生物学和遗传学提供见解。研究人员经常探索不同环境因素如何影响oogonia的发育及其随后成熟为功能性配子的过程。这一知识不仅对理解植物生物学重要，还对农业、保护和生物技术具有重要意义。 总之，oogonium（卵母细胞）在许多生物的生殖周期中扮演着关键角色。它作为卵细胞前体的功能突显了它在性生殖和遗传多样性更广泛背景中的重要性。通过研究oogonium，科学家可以更好地理解生命、进化和生态系统的微妙平衡的复杂性。随着我们继续深入探讨生物学的奥秘，oogonium仍然是一个迷人的主题，突显了生命本身的美丽和复杂性。