peridium

简明释义

英[pɪˈrɪdɪəm]美[pəˈrɪdɪəm]

n. 子壳；（某些真菌的）包被

复 数 p e r i d i a

英英释义

单词用法

同义词

反义词

例句

1.Through the microexamination of paraffin slices of Tuber indicum ascocarps, the microstructures of peridium and hymenium as well as the development of asci and ascospores in asci were studied.

通过印度块菌子囊果石蜡切片的显微观察，对印度块菌子囊果包被及子实层的显微结构、子囊及子囊孢子的发育过程进行研究。

2.Through the microexamination of paraffin slices of Tuber indicum ascocarps, the microstructures of peridium and hymenium as well as the development of asci and ascospores in asci were studied.

通过印度块菌子囊果石蜡切片的显微观察，对印度块菌子囊果包被及子实层的显微结构、子囊及子囊孢子的发育过程进行研究。

3.The peridium plays a crucial role in the reproductive cycle of many fungi.

在许多真菌的繁殖周期中，peridium 扮演着至关重要的角色。

4.The outer layer of the fungus is called the peridium, which provides protection to the spores inside.

真菌的外层称为peridium，它为内部的孢子提供保护。

5.In certain species of mushrooms, the peridium can be quite thick and leathery.

在某些种类的蘑菇中，peridium 可能相当厚且有皮革质感。

6.When examining a puffball, one must carefully observe the peridium for signs of maturity.

在检查一个毛球时，必须仔细观察peridium是否有成熟的迹象。

7.Mycologists often study the structure of the peridium to identify different species.

真菌学家常常研究peridium的结构以识别不同的物种。

作文

The term peridium refers to the outer layer or covering of certain fungi, particularly those belonging to the group known as the 'gasteromycetes.' This structure plays a crucial role in the life cycle of these organisms by protecting the spores until they are ready to be released. Understanding the function and significance of the peridium can enhance our appreciation for the complex world of fungi and their ecological roles. Fungi are essential components of ecosystems, contributing to nutrient cycling and decomposition. The peridium, as a protective layer, ensures that the spores remain safe from environmental hazards such as moisture loss and predation until the right conditions for dispersal arise. For instance, many gasteromycetes produce their spores within a fruiting body that is encased in a tough peridium. When mature, the fruiting body will often burst open, allowing the spores to be released into the environment, where they can germinate and form new fungal colonies.Moreover, the structure of the peridium can vary significantly among different species of fungi. Some may have a hard, woody peridium, while others might possess a softer, more gelatinous covering. This diversity in structure not only reflects the evolutionary adaptations of fungi to their specific habitats but also influences how they interact with other organisms. For example, a thick, robust peridium might deter herbivores, while a more delicate one could allow for easier spore dispersal through wind or water.In addition to its biological significance, the peridium has also garnered interest in the field of mycology, the study of fungi. Researchers examine the characteristics of the peridium to classify fungal species and understand their evolutionary relationships. By analyzing the composition and structure of the peridium, scientists can gain insights into how different fungi have adapted to their environments over time.Furthermore, the peridium is not limited to just one type of fungus; it is found in various forms across multiple genera. This commonality signifies the evolutionary importance of this structure and highlights the interconnectedness of life forms within ecosystems. As we continue to study fungi, the peridium remains an important focus, offering clues about the past and present dynamics of ecological systems.In conclusion, the peridium serves as a vital component of certain fungi, providing protection for spores and facilitating their eventual dispersal. Its diverse structures and functions illustrate the complexity of fungal biology and underscore the important roles fungi play in our ecosystems. By studying the peridium, we not only deepen our understanding of fungi but also appreciate the intricate web of life that sustains our planet. As we learn more about these fascinating organisms, we can better recognize their contributions to biodiversity and ecosystem health, reminding us of the delicate balance that exists in nature.

术语peridium指的是某些真菌的外层或覆盖物，特别是那些属于“肠囊菌类”的群体。这种结构在这些生物的生命周期中起着至关重要的作用，通过保护孢子直到它们准备好释放。理解peridium的功能和重要性可以增强我们对真菌复杂世界及其生态角色的欣赏。真菌是生态系统的重要组成部分，促进养分循环和分解。peridium作为保护层，确保孢子在适当的散播条件出现之前免受环境危害，如水分流失和捕食。例如，许多肠囊菌类会在一个果实体内产生孢子，该果实体被坚硬的peridium包裹。当成熟时，果实体通常会爆裂，允许孢子释放到环境中，在那里它们可以发芽并形成新的真菌群落。此外，不同真菌物种的peridium结构可能显著不同。有些可能具有坚硬的木质peridium，而其他可能拥有更柔软、更胶状的覆盖物。这种结构的多样性不仅反映了真菌对特定栖息地的进化适应，还影响它们与其他生物的相互作用。例如，厚实、坚固的peridium可能会阻止草食动物，而更细腻的则可能使得通过风或水更容易散播孢子。除了生物学意义外，peridium在真菌学领域也引起了兴趣，真菌学是研究真菌的学科。研究人员检查peridium的特征以分类真菌物种并理解它们的进化关系。通过分析peridium的组成和结构，科学家可以深入了解不同真菌如何随着时间的推移适应其环境。此外，peridium并不仅限于一种真菌；它在多个属中以各种形式存在。这种共性意味着这种结构的进化重要性，并突显了生态系统内生命形式之间的相互联系。随着我们继续研究真菌，peridium仍然是一个重要的研究焦点，提供了关于生态系统过去和现在动态的线索。总之，peridium是某些真菌的重要组成部分，为孢子提供保护并促进它们最终的散播。其多样的结构和功能展示了真菌生物学的复杂性，并强调了真菌在生态系统中所扮演的重要角色。通过研究peridium，我们不仅加深了对真菌的理解，还欣赏到维持我们星球生命网络的复杂性。随着我们对这些迷人生物的了解不断加深，我们可以更好地认识到它们对生物多样性和生态系统健康的贡献，提醒我们自然界中存在的微妙平衡。