spermatozoa

简明释义

英[ˌspəːmətə(ʊ)ˈzəʊə]美[spɜːrmætoˈzor]

n. 精子

英英释义

单词用法

同义词

反义词

例句

1.The swim-up method was adopted to purify the spermatozoa from possible contamination of somatic cells and the spermatozoa total RNA extracted by Trizol was used for SAGE library analysis.

混合所有总RNA进行基因表达系列分析（SAGE），随后对所得SAGE文库进行功能聚类性分析。

2.The swim-up method was adopted to purify the spermatozoa from possible contamination of somatic cells and the spermatozoa total RNA extracted by Trizol was used for SAGE library analysis.

混合所有总RNA进行基因表达系列分析（SAGE），随后对所得SAGE文库进行功能聚类性分析。

3.One of the important reasons of male infertility is azoospermia and dead spermatozoa.

引起男性不育的一个重要原因是无精症、死精症。

4.The objective is to evaluate the role of sperm kinematic parameters in the hyperactivation of Guinea pig spermatozoa.

目的是评估精子运动学参数在豚鼠精子过度激活中的作用。

5.The presence of antioxidants can improve the quality of spermatozoa.

抗氧化剂的存在可以改善精子的质量。

6.In many species, the health of spermatozoa is critical for successful fertilization.

在许多物种中，精子的健康对于成功受精至关重要。

7.Researchers observed the behavior of spermatozoa under different environmental conditions.

研究人员观察了不同环境条件下精子的行为。

8.The study focused on the motility of spermatozoa.

这项研究集中在精子的活动能力上。

9.Fertility treatments often involve the analysis of spermatozoa.

生育治疗通常涉及对精子的分析。

作文

The study of reproduction is a fascinating field that encompasses various biological processes. One of the most intriguing aspects of reproduction is the role of male gametes, specifically the cells known as spermatozoa. These microscopic entities are essential for sexual reproduction in many organisms, including humans. Understanding spermatozoa not only sheds light on reproductive biology but also has implications for fields such as medicine and genetics.Spermatozoa, which are the mature male reproductive cells, play a crucial role in fertilization. In humans, these cells are produced in the testes through a process called spermatogenesis, which involves several stages of cell division and maturation. Each spermatozoon is equipped with a flagellum, allowing it to swim towards the ovum, or egg cell, in the female reproductive tract. This motility is vital for successful fertilization, as the journey to reach the egg can be quite challenging, often requiring the spermatozoa to navigate through cervical mucus and other obstacles.The structure of spermatozoa is specialized for its function. Each spermatozoon consists of a head, midpiece, and tail. The head contains the nucleus, which houses the genetic material that will combine with the female’s genetic material during fertilization. The midpiece is packed with mitochondria, providing the energy necessary for the spermatozoon to propel itself. Finally, the tail, or flagellum, is a whip-like structure that enables movement.In addition to their biological significance, spermatozoa also have important implications in medical science. For instance, understanding the mechanisms behind spermatozoa production and function can help address issues related to male infertility. Factors such as hormonal imbalances, environmental influences, and lifestyle choices can adversely affect the quality and quantity of spermatozoa. Research into these areas is ongoing, with the goal of developing treatments that can assist individuals facing fertility challenges.Moreover, advancements in reproductive technologies, such as in vitro fertilization (IVF), rely heavily on the manipulation and understanding of spermatozoa. In IVF procedures, spermatozoa are collected and used to fertilize an egg outside the body, allowing for greater control over the fertilization process. This has opened new avenues for couples struggling with infertility, providing them with options they may not have had before.On a broader scale, the study of spermatozoa contributes to our understanding of evolution and species diversity. By examining the characteristics and behaviors of spermatozoa across different species, scientists can gain insights into evolutionary adaptations and reproductive strategies. For example, some species exhibit unique mating behaviors or produce large quantities of spermatozoa to increase the chances of successful fertilization in competitive environments.In conclusion, spermatozoa are more than just simple cells; they are complex structures that play a pivotal role in the continuation of life. Their study not only enhances our understanding of reproduction but also informs medical practices and evolutionary biology. As research continues to evolve, the importance of spermatozoa in both scientific and practical applications will undoubtedly grow, making it a critical area of study for future generations of biologists and medical professionals.

生殖研究是一个迷人的领域，涵盖了各种生物过程。生殖中最引人入胜的方面之一是雄性配子，特别是被称为spermatozoa的细胞的作用。这些微观实体在许多生物体（包括人类）的有性生殖中至关重要。理解spermatozoa不仅揭示了生殖生物学的奥秘，还对医学和遗传学等领域具有重要意义。Spermatozoa是成熟的雄性生殖细胞，在受精中发挥着关键作用。在人类中，这些细胞通过一种称为精子发生的过程在睾丸中产生，该过程涉及多个细胞分裂和成熟阶段。每个spermatozoon都配备了一根鞭毛，使其能够在雌性生殖道中游向卵细胞或卵子。该运动能力对于成功受精至关重要，因为到达卵子的旅程可能相当艰难，通常需要spermatozoa穿过宫颈粘液和其他障碍。Spermatozoa的结构专门用于其功能。每个spermatozoon由头部、中段和尾部组成。头部包含细胞核，其中包含将在受精过程中与雌性遗传物质结合的遗传物质。中段充满线粒体，为spermatozoon提供必要的能量，使其能够推进。最后，尾部或鞭毛是一种鞭状结构，使其能够移动。除了生物学意义外，spermatozoa在医学科学中也具有重要意义。例如，了解spermatozoa的产生和功能机制可以帮助解决与男性不育相关的问题。激素失衡、环境影响和生活方式选择等因素可能会对spermatozoa的质量和数量产生不利影响。对此领域的研究正在进行中，目标是开发可以帮助面临生育挑战的个人的治疗方案。此外，生殖技术的进步，如体外受精（IVF），在很大程度上依赖于对spermatozoa的操控和理解。在IVF程序中，收集spermatozoa并用于在体外使卵子受精，从而更好地控制受精过程。这为面临不孕不育问题的夫妇开辟了新的途径，提供了他们以前可能没有的选择。在更广泛的层面上，spermatozoa的研究有助于我们理解进化和物种多样性。通过检查不同物种的spermatozoa的特征和行为，科学家可以获得关于进化适应和生殖策略的见解。例如，一些物种表现出独特的交配行为或产生大量的spermatozoa以增加在竞争环境中成功受精的机会。总之，spermatozoa不仅仅是简单的细胞；它们是复杂的结构，在生命延续中发挥着关键作用。它们的研究不仅增强了我们对生殖的理解，还为医学实践和进化生物学提供了信息。随着研究的不断发展，spermatozoa在科学和实际应用中的重要性无疑将不断增长，使其成为未来生物学家和医学专业人员的重要研究领域。