spermatophore

简明释义

英[ˈspɜːmətə(ʊ)fɔː;spəˈmæt-]美[spɜːrˈmætofɔ]

n. 精囊；[动] 精子包囊；精原细胞

英英释义

单词用法

同义词

反义词

例句

1.The structure and function of the internal reproductive organs of the armyworm moth especially the formation of spermatophore have been described in this paper.

本文叙述了粘虫生殖系统各器官名称、功能及授精过程中精包的形成。

2.The results mentioned above were analogous with those of spermatophore transplantation.

类似于用精荚进行人工授精的实验结果。

3.The spermatophore wall is both single-layer and thin, its chemical composition is acidic mucopolysaccharides.

精荚壁及基质的主要成分为酸性粘多糖。

4.The total number of male spermatophore after trapping by light still reaches 69.8%.

雌蛾距离灯光较近有一定的趋光性，灯光诱捕后的雄蛾精包总数仍达69.8%。

5.This paper introduced the methods. problems and the present situation at home and abroad about spermatophore obtainment, spermatophore implantation and artificial external fertilization in shrimp.

本文主要介绍人工获取精荚、精荚移植以及人工体外授精方法、存在问题和国内外的研究现状。

6.This paper introduced the methods. problems and the present situation at home and abroad about spermatophore obtainment, spermatophore implantation and artificial external fertilization in shrimp.

本文主要介绍人工获取精荚、精荚移植以及人工体外授精方法、存在问题和国内外的研究现状。

7.Researchers studied how environmental factors affect the production of spermatophores 精子囊 in amphibians.

研究人员研究了环境因素如何影响两栖动物的spermatophore 精子囊 的产生。

8.The spermatophore 精子囊 contains sperm that can fertilize the eggs later.

这个spermatophore 精子囊 包含可以稍后使卵子受精的精子。

9.During the mating process, the male insect transfers a spermatophore 精子囊 to the female.

在交配过程中，雄性昆虫将一个spermatophore 精子囊 转移给雌性。

10.In some species, females can store multiple spermatophores 精子囊 for later use.

在某些物种中，雌性可以储存多个spermatophore 精子囊 以备后用。

11.The size of the spermatophore 精子囊 can vary significantly between different species of cephalopods.

不同种类的头足类动物之间，spermatophore 精子囊 的大小差异显著。

作文

In the fascinating world of biology, reproduction is a complex process that varies significantly among different species. One particularly intriguing mechanism is the use of a spermatophore, which is a capsule or packet containing sperm that certain animals produce during mating. This unique reproductive strategy is commonly observed in various invertebrates, such as cephalopods and some insects, and it plays a crucial role in their reproductive success.The term spermatophore comes from the Greek words 'sperma,' meaning seed, and 'phorein,' meaning to bear or carry. Essentially, a spermatophore serves as a delivery system for sperm, enabling males to transfer genetic material to females without direct physical contact. This method can be particularly advantageous in environments where male competition is fierce or where females are difficult to locate.For instance, in many species of squid, males produce spermatophores that they then deposit onto the female's body or into her mantle cavity. The female can later retrieve the sperm from the spermatophore when she is ready to fertilize her eggs. This indirect method of sperm transfer not only ensures that the sperm remains viable but also allows females to control the timing of fertilization, which can enhance the survival of their offspring.Additionally, the use of spermatophores is not limited to aquatic environments. Certain terrestrial insects, such as moths and butterflies, also utilize this strategy. Male moths may produce spermatophores that they transfer to females during copulation, allowing the female to store sperm for future use. This ability to store sperm is particularly beneficial in environments where mating opportunities may be scarce.The study of spermatophores has provided valuable insights into the evolutionary strategies of reproduction. Researchers have discovered that the size, shape, and composition of spermatophores can vary greatly between species, reflecting adaptations to their specific ecological niches. For example, some species produce large, nutrient-rich spermatophores that provide additional resources to the female, increasing the likelihood of successful fertilization.Moreover, the presence of spermatophores raises interesting questions about sexual selection and mate choice. Females may choose mates based on the quality or quantity of spermatophores produced by males, leading to a fascinating interplay between male competition and female choice. This dynamic can drive the evolution of various traits in both sexes, resulting in a diverse array of reproductive strategies across the animal kingdom.In conclusion, the concept of the spermatophore highlights the incredible diversity of reproductive strategies found in nature. By examining how different species utilize spermatophores, we gain a deeper understanding of the complexities of reproduction and the evolutionary pressures that shape these processes. As we continue to explore the wonders of biology, the study of spermatophores will undoubtedly reveal even more intriguing aspects of life on Earth, illuminating the intricate dance of reproduction that sustains countless species.

在生物学这个迷人的世界里，繁殖是一个复杂的过程，不同物种之间存在显著差异。一种特别引人入胜的机制是使用spermatophore，这是一种包含精子的囊或包裹，某些动物在交配过程中产生。这种独特的繁殖策略通常在各种无脊椎动物中观察到，例如头足类动物和一些昆虫，它在它们的繁殖成功中发挥着至关重要的作用。术语spermatophore源自希腊词' sperma'，意为种子，以及' phorein'，意为携带或承载。本质上，spermatophore作为精子的输送系统，使雄性能够在没有直接身体接触的情况下将遗传物质转移给雌性。这种方法在雄性竞争激烈或雌性难以定位的环境中尤其有利。例如，在许多种类的鱿鱼中，雄性会产生spermatophores，然后将其放置在雌性的身体上或她的外套腔内。雌性可以在准备好受精卵时从spermatophore中提取精子。这种间接的精子转移方法不仅确保了精子的存活，还允许雌性控制受精的时机，这可以增强后代的存活率。此外，使用spermatophores并不限于水生环境。某些陆生昆虫，例如蛾子和蝴蝶，也利用这种策略。雄性蛾子可能会产生spermatophores，在交配过程中转移给雌性，使雌性能够储存精子以备将来使用。在交配机会稀缺的环境中，这种储存精子的能力尤其有利。对spermatophores的研究提供了对繁殖进化策略的宝贵见解。研究人员发现，spermatophores的大小、形状和组成在不同物种之间可能有很大差异，反映出它们对特定生态位的适应。例如，一些物种会产生大型、富含营养的spermatophores，为雌性提供额外的资源，从而增加成功受精的可能性。此外，spermatophores的存在引发了关于性选择和配偶选择的有趣问题。雌性可能根据雄性产生的spermatophores的质量或数量来选择配偶，从而导致雄性竞争和雌性选择之间的迷人互动。这种动态关系可以推动两性各种特征的进化，导致动物王国中多样的繁殖策略。总之，spermatophore的概念突显了自然界中繁殖策略的惊人多样性。通过考察不同物种如何利用spermatophores，我们对繁殖的复杂性及塑造这些过程的进化压力有了更深入的理解。随着我们继续探索生物学的奇迹，对spermatophores的研究无疑会揭示出更多迷人的地球生命方面，照亮维持无数物种的繁殖复杂舞蹈。