ovariole

简明释义

英[əʊˈveərɪəʊl]美[oʊˈveərɪoʊl]

n. [无脊椎] 卵巢管

英英释义

单词用法

同义词

反义词

例句

1.Variance was found to some degree in the number of ovariole in P. puparum.

该蜂卵巢管的数量在不同个体间偶有差异。

2.Variance was found to some degree in the number of ovariole in P. puparum.

该蜂卵巢管的数量在不同个体间偶有差异。

3.The panoistic ovariole mainly consists of germarium and vitellarium.

卵巢管属无滋式，主要由原卵区和卵黄区组成。

4.The long ovariole is a relative primitive character.

通过对比，认为卵巢管长可能是比较原始的特征。

5.The female insect has several functional ovarioles, which are responsible for egg production.

雌性昆虫有几个功能性的卵巢小管，负责产卵。

6.In some species, each ovariole can produce a different number of eggs depending on environmental conditions.

在某些物种中，每个卵巢小管可以根据环境条件产生不同数量的卵。

7.Researchers study the structure of the ovarioles to understand reproductive strategies in insects.

研究人员研究卵巢小管的结构，以了解昆虫的繁殖策略。

8.The ovarioles of this species are particularly adapted to store nutrients for developing eggs.

这种物种的卵巢小管特别适应于储存发育卵子的养分。

9.During the dissection, we observed the number of ovarioles present in the specimen.

在解剖过程中，我们观察到了样本中存在的卵巢小管的数量。

作文

In the fascinating world of entomology, the study of insects reveals a multitude of complex structures that play vital roles in their biology. One such structure is the ovariole, which is essential for the reproductive system of many female insects. The ovariole can be understood as a functional unit within the ovary, where oocytes, or egg cells, develop. Each female insect typically possesses multiple ovarioles, allowing for the production of numerous eggs during her lifetime. The structure of the ovariole is quite intricate. It consists of several parts, including the terminal filament, the germarium, and the vitellarium. The terminal filament anchors the ovariole to the ovary, while the germarium is the region where new oocytes are formed. As these oocytes mature, they move into the vitellarium, where they accumulate nutrients and yolk, preparing them for fertilization. This process highlights the efficiency of insect reproduction, as it enables females to produce large quantities of eggs, which is crucial for the survival of the species. Different species exhibit variations in the number of ovarioles they possess. For instance, some fruit flies may have around 16 ovarioles, whereas certain bees can have over 20. This variation is often linked to the reproductive strategies of the species. In environments where conditions are favorable, insects with more ovarioles can produce a greater number of offspring, thus increasing their chances of survival and propagation. The study of ovarioles also sheds light on evolutionary adaptations among different insect groups. For example, parasitic insects often have fewer ovarioles compared to their free-living relatives. This adaptation may be due to the energy constraints associated with their lifestyles, where investing heavily in egg production may not be advantageous. Instead, these insects might focus on producing fewer, but more viable, offspring that have a higher chance of survival in their specific ecological niches. Understanding the role of the ovariole extends beyond mere biological curiosity; it has practical implications as well. In agriculture, for instance, knowledge about the reproductive systems of pest insects can inform pest management strategies. By targeting the development of ovarioles, researchers can devise methods to control insect populations effectively, thereby protecting crops from damage. Moreover, studying ovarioles provides insights into broader topics such as reproductive health and environmental impacts on fertility. Research indicates that environmental factors, such as temperature and nutrition, can influence the development and functioning of ovarioles. This understanding can lead to better conservation efforts and sustainable practices that consider the reproductive health of insect populations. In conclusion, the ovariole is a remarkable structure that plays a critical role in the reproductive success of female insects. Its complexity and variation among species reflect the diverse strategies that insects employ to thrive in their environments. By studying ovarioles, we gain valuable insights not only into insect biology but also into the interconnectedness of ecosystems and the importance of preserving biodiversity. As we continue to explore the wonders of the natural world, the ovariole stands out as a testament to the ingenuity of evolution and the intricate designs found in nature.

在迷人的昆虫学世界中，对昆虫的研究揭示了许多复杂结构，这些结构在它们的生物学中发挥着重要作用。其中一个结构是卵巢小管，它对许多雌性昆虫的生殖系统至关重要。卵巢小管可以理解为卵巢内的功能单位，在这里，卵母细胞或卵细胞得以发育。每只雌性昆虫通常具有多个卵巢小管，使她在一生中能够产生大量卵子。 卵巢小管的结构相当复杂。它由几个部分组成，包括终端丝、胚囊和卵黄囊。终端丝将卵巢小管锚定在卵巢上，而胚囊是新卵母细胞形成的区域。当这些卵母细胞成熟时，它们会移动到卵黄囊，在那里积累营养和卵黄，为受精做准备。这一过程突显了昆虫繁殖的高效性，因为它使雌性能够产生大量卵子，这对物种的生存至关重要。 不同物种在拥有的卵巢小管数量上表现出差异。例如，一些果蝇可能有大约16个卵巢小管，而某些蜜蜂则可以有超过20个。这种变化通常与物种的繁殖策略有关。在环境条件良好的情况下，拥有更多卵巢小管的昆虫可以产生更多的后代，从而增加它们的生存和繁衍机会。 对卵巢小管的研究还揭示了不同昆虫群体之间的进化适应。例如，寄生昆虫的卵巢小管数量往往少于其自由生活的亲属。这种适应可能是由于它们生活方式所带来的能量限制，在这种情况下，过度投资于卵子的生产可能没有优势。相反，这些昆虫可能更注重生产数量较少但更具生存能力的后代，以提高它们在特定生态位中的生存机会。 理解卵巢小管的作用不仅仅是生物学上的好奇心；它还有实际的意义。例如，在农业中，关于害虫生殖系统的知识可以为害虫管理策略提供信息。通过针对卵巢小管的发展，研究人员可以设计有效控制昆虫种群的方法，从而保护作物免受损害。 此外，研究卵巢小管还提供了对更广泛主题的见解，例如生殖健康和环境对生育力的影响。研究表明，环境因素，如温度和营养，可以影响卵巢小管的发展和功能。这种理解可以引导更好的保护工作和可持续实践，考虑到昆虫种群的生殖健康。 总之，卵巢小管是一个非凡的结构，在雌性昆虫的生殖成功中发挥着关键作用。它在物种之间的复杂性和变异反映了昆虫在其环境中生存的多样化策略。通过研究卵巢小管，我们获得了不仅仅是昆虫生物学的宝贵见解，还获得了生态系统相互联系和保护生物多样性的重要性。随着我们继续探索自然界的奇迹，卵巢小管成为了进化智慧和自然中复杂设计的证明。