antheridium

简明释义

英[ˌænθəˈrɪdɪəm]美[ˌænθəˈrɪdɪəm]

n. [植] 雄器，精子囊；[植] 藏精器

复 数 a n t h e r i d i a

英英释义

单词用法

同义词

反义词

例句

1.The male gametophyte of moss produces sperm in the antheridium.

苔藓的雄配子体在雄蕊中产生精子。

2.During reproduction, the sperm from the antheridium swims to the egg cell.

在繁殖过程中，来自雄蕊的精子游向卵细胞。

3.The antheridium can be found at the tip of the male gametophyte.

雄蕊可以在雄配子体的顶部找到。

4.Some plants have multiple antheridia on a single gametophyte.

一些植物在单一配子体上有多个雄蕊。

5.In ferns, the antheridium is responsible for the production of sperm cells.

在蕨类植物中，雄蕊负责产生精子细胞。

作文

In the fascinating world of botany, understanding the reproductive structures of plants is crucial for both students and enthusiasts alike. One such structure that plays a significant role in the reproduction of certain non-flowering plants is the antheridium. The term antheridium refers to the male gametangium in plants, particularly in bryophytes like mosses and ferns. It is within this specialized structure that sperm cells are produced, ultimately contributing to the plant's life cycle. The antheridium is typically a small, flask-shaped organ that can be found on the surface of the gametophyte, which is the haploid phase of the plant's life cycle. In many species, multiple antheridia may develop on a single gametophyte, ensuring a higher chance of successful fertilization. These structures often release sperm into the surrounding water, which is essential for fertilization to occur, as the sperm must swim to reach the female counterpart known as the archegonium. The significance of the antheridium extends beyond mere reproduction; it is also an excellent example of adaptation to various environmental conditions. For instance, in terrestrial environments where water availability may be limited, the timing of sperm release from the antheridium is critical. Many plants have evolved mechanisms to synchronize the release of sperm with rainfall or high humidity, maximizing the likelihood of sperm reaching the archegonium. This adaptation showcases the intricate relationship between plants and their environments, emphasizing the importance of reproductive strategies in survival. Moreover, studying the antheridium provides insights into the evolutionary history of plants. The presence of distinct male and female reproductive structures is a characteristic feature of more advanced plant groups. However, the simple structure of the antheridium in bryophytes suggests that these organisms represent some of the earliest forms of terrestrial life. Understanding how these structures function and evolve helps scientists trace the lineage of plant species and their adaptations over millions of years. In conclusion, the antheridium is a vital component in the reproductive process of non-flowering plants, showcasing nature's ingenuity in promoting fertilization and ensuring the continuation of species. By examining the structure and function of the antheridium, we not only gain a deeper appreciation for the complexities of plant biology but also highlight the interconnectedness of life forms within ecosystems. As we delve into the study of botany, let us remember the importance of such structures and their role in the grand tapestry of life on Earth.

在植物学的迷人世界中，理解植物的繁殖结构对学生和爱好者来说至关重要。其中一个在某些非开花植物的繁殖中起重要作用的结构是antheridium。术语antheridium指的是植物中的雄配子囊，特别是在苔藓和蕨类植物等苔藓植物中。正是在这个专门的结构中产生精子细胞，最终为植物的生命周期做出贡献。antheridium通常是一个小的瓶形器官，可以在配子体的表面找到，配子体是植物生命周期的单倍体阶段。在许多物种中，单个配子体上可能会发育多个antheridia，以确保成功受精的机会更高。这些结构通常会将精子释放到周围的水中，这是发生受精所必需的，因为精子必须游动到达被称为雌配子囊的雌性对应物。antheridium的重要性不仅仅限于繁殖；它也是适应各种环境条件的绝佳例子。例如，在水源可能有限的陆地环境中，antheridium中精子的释放时机至关重要。许多植物已经进化出机制，以使精子的释放与降雨或高湿度同步，从而最大化精子到达雌配子囊的可能性。这种适应展示了植物与其环境之间的错综复杂的关系，强调了繁殖策略在生存中的重要性。此外，研究antheridium提供了对植物进化历史的深入见解。雄性和雌性生殖结构的存在是更高级植物群体的特征。然而，苔藓植物中antheridium的简单结构表明，这些生物代表了早期陆生生命的一些形式。理解这些结构如何运作和进化有助于科学家追溯植物物种的谱系及其数百万年来的适应。总之，antheridium是非开花植物繁殖过程中至关重要的组成部分，展示了自然在促进受精和确保物种延续方面的独创性。通过研究antheridium的结构和功能，我们不仅对植物生物学的复杂性有更深刻的理解，还突显了生态系统中生命形式的相互联系。当我们深入研究植物学时，让我们记住这样的结构及其在地球生命宏伟织锦中的角色。