gametogenesis

简明释义

英[ˌɡæmɪtəʊˈdʒenɪsɪs]美[ɡəˌmitəˈdʒenɪsɪs]

n. [胚] 配子形成，配子发育

英英释义

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例句

1.In vitro modeling of human gametogenesis provides a new approach for studying biology of human germ cells and establishment of therapeutic approaches in reproductive medicine.

在体外模拟人体配子给研究人类生殖细胞生物学和生殖药的治疗方法。

2.Megasporogenesis and Female Gametogenesis: Archesporium is of one cell, it directly functions as macrospore mother cell.

大孢子和雌配子体发生：孢原为一个细胞，它直接起大孢子母细胞功能。

3.In vitro modeling of human gametogenesis provides a new approach for studying biology of human germ cells and establishment of therapeutic approaches in reproductive medicine.

在体外模拟人体配子给研究人类生殖细胞生物学和生殖药的治疗方法。

4.Haemocytopoiesis occurred in connective tissues adjacent to the site of gametogenesis with basement membrane as a boundary between them.

成体鲎血细胞发生于与生殖细胞发生相邻部位的结缔组织，其间以基膜为界。

5.Research on gametogenesis can provide insights into fertility treatments.

对配子发生 的研究可以为生育治疗提供见解。

6.The process of gametogenesis involves meiosis, which reduces the chromosome number by half.

配子发生 的过程涉及减数分裂，这会将染色体数量减少一半。

7.During gametogenesis, genetic variation is introduced through crossing over.

在配子发生 过程中，通过交叉互换引入了遗传变异。

8.In sexually reproducing organisms, gametogenesis is essential for the formation of eggs and sperm.

在有性生殖的生物中，配子发生 对于卵子和精子的形成至关重要。

9.In humans, gametogenesis occurs in the ovaries and testes.

在人类中，配子发生 发生在卵巢和睾丸中。

作文

Gametogenesis is a fundamental biological process that plays a crucial role in sexual reproduction. It refers to the formation of gametes, which are the reproductive cells necessary for fertilization. In humans and many other organisms, there are two types of gametes: sperm and eggs. The process of gametogenesis (配子发生) involves several stages, including meiosis, which reduces the chromosome number by half, ensuring that offspring receive the correct amount of genetic material from each parent.The importance of gametogenesis (配子发生) cannot be overstated, as it not only contributes to genetic diversity but also ensures the continuation of species. During this process, genetic recombination occurs, allowing for the mixing of parental genes. This recombination is vital for evolution, as it provides a mechanism for adaptation to changing environments. Additionally, the variation produced through gametogenesis (配子发生) increases the likelihood of survival for future generations by enhancing their ability to cope with diseases and environmental challenges.In males, gametogenesis (配子发生) occurs in the testes, where spermatogenesis takes place. This process begins with spermatogonia, which undergo mitosis to produce primary spermatocytes. These cells then undergo meiosis, resulting in secondary spermatocytes, which further divide to form spermatids. Eventually, these spermatids mature into spermatozoa, the fully developed sperm cells capable of fertilizing an egg.In females, gametogenesis (配子发生) occurs in the ovaries through a process called oogenesis. This begins with oogonia, which also undergo mitosis to produce primary oocytes. However, unlike males, females are born with a finite number of primary oocytes, which remain dormant until puberty. Upon maturation, these primary oocytes complete meiosis, leading to the formation of a single ovum and polar bodies, which typically degenerate. The ovum is the female gamete that, when fertilized by sperm, can develop into an embryo.Understanding gametogenesis (配子发生) is essential for various fields, including medicine, agriculture, and conservation biology. For instance, in reproductive medicine, knowledge of this process aids in diagnosing and treating infertility issues. In agriculture, manipulating gametogenesis (配子发生) can lead to the development of hybrid crops with desirable traits. Furthermore, in conservation efforts, understanding the reproductive processes of endangered species can help in breeding programs aimed at increasing their populations.In conclusion, gametogenesis (配子发生) is a vital process that underpins sexual reproduction and contributes to genetic diversity within populations. Its significance extends beyond mere reproduction; it is intricately linked to the survival and evolution of species. As we continue to explore the complexities of biological processes, the study of gametogenesis (配子发生) will remain a key area of interest for scientists and researchers alike.