oogonia

简明释义

英[əʊˈɡəʊniə]美[oʊˈɡoʊniə]

n. 卵原细胞

英英释义

单词用法

同义词

反义词

例句

1.The results indicated that the receptors of estrogen, androgen and progestogen existed in oogonia and oocytes of different developmental stages.

结果表明，不同发育时期的卵原细胞和卵母细胞中都存在雌激素、雄激素和孕激素受体。

2.The results indicated that the receptors of estrogen, androgen and progestogen existed in oogonia and oocytes of different developmental stages.

结果表明，不同发育时期的卵原细胞和卵母细胞中都存在雌激素、雄激素和孕激素受体。

3.The transformation of oogonia (卵原细胞) into primary oocytes is a key step in oogenesis.

将oogonia（卵原细胞）转变为初级卵母细胞是卵子发生中的关键步骤。

4.In fish, the proliferation of oogonia (卵原细胞) occurs in the ovaries during the spawning season.

在鱼类中，oogonia（卵原细胞）的增殖发生在产卵季节的卵巢中。

5.During the early stages of ovarian development, the number of oogonia (卵原细胞) increases significantly.

在卵巢发育的早期阶段，oogonia（卵原细胞）的数量显著增加。

6.Scientists study oogonia (卵原细胞) to understand the mechanisms of ovarian cancer.

科学家研究oogonia（卵原细胞）以了解卵巢癌的机制。

7.Research shows that oogonia (卵原细胞) are crucial for female fertility.

研究表明，oogonia（卵原细胞）对女性生育能力至关重要。

作文

Oogonia are the female germ cells that play a crucial role in the development of oocytes in the ovaries of female organisms. Understanding the function and significance of oogonia (卵原细胞) is essential for comprehending reproductive biology. These cells arise during the early stages of embryonic development and undergo several mitotic divisions to increase their number before entering meiosis. This process is vital as it ensures that there are enough precursor cells available to eventually form mature eggs. In many species, the formation of oogonia (卵原细胞) occurs during the fetal development stage. For instance, in mammals, these cells are formed from primordial germ cells that migrate to the developing ovaries. Once there, they proliferate and differentiate into primary oocytes. The number of oogonia (卵原细胞) can vary significantly among different species, which can influence reproductive strategies and outcomes.The study of oogonia (卵原细胞) is not only important for understanding female fertility but also has implications in fields such as developmental biology and medicine. For example, researchers investigating infertility often look at the health and quantity of oogonia (卵原细胞) to determine potential issues in egg production. Additionally, advancements in techniques such as in vitro fertilization (IVF) have highlighted the importance of these cells in assisted reproductive technologies.Moreover, the regulation of oogonia (卵原细胞) development is influenced by various hormonal signals. Hormones like follicle-stimulating hormone (FSH) and luteinizing hormone (LH) play pivotal roles in the maturation of these cells. Disruptions in hormonal balance can lead to conditions such as polycystic ovary syndrome (PCOS), where the number of oogonia (卵原细胞) may be affected, leading to irregular ovulation and fertility challenges.In the context of evolutionary biology, the evolution of oogonia (卵原细胞) is fascinating. Different species have adapted various strategies for the production and utilization of these cells, reflecting their unique reproductive needs. For example, some fish species produce thousands of oogonia (卵原细胞) to ensure that at least a few survive to maturity, while others may invest more resources into fewer eggs, enhancing their chances of survival.In conclusion, oogonia (卵原细胞) are fundamental components of the female reproductive system. Their development, regulation, and significance extend beyond mere reproduction, impacting areas such as fertility treatments and evolutionary strategies. As research continues to evolve, our understanding of oogonia (卵原细胞) will likely deepen, offering new insights into both biological processes and medical applications.