thallus

简明释义

英[ˈθæləs]美[ˈθæləs]

n. 菌体，[植] 叶状体；叶状植物

复 数 t h a l l i 或 t h a l l u s e s

英英释义

单词用法

同义词

反义词

例句

1.But photostability of thallus is better than that of filament, which means sheath can protect cells form radiation.

但原植体耐光性比藻丝体强，说明在野外胶鞘对保护发菜免受强辐射伤害有重要意义。

2.The invention provides a nano bio-particle made of waste thallus as well as its producing method and application together with the nano-level thallus crusher.

本发明提供了一种废菌体制作的纳米生物颗粒及其生产方法和应用，以及所用的纳米级菌体破碎机。

3.The photosynthetic and supportive cells tend to be organized linearly, but a thallus lacks such differentiated specialized structures as stem, leaves, and conducting tissue.

那些可进行光合作用和所维生的细胞呈线形结构，但原植体则无根、茎、叶的分化，无输导组织。

4.Type genus of the family ulvaceae; green seaweed having a thallus two cells thick: sea lettuce.

石莼科的模式属；绿色海藻具有两个细胞厚度的叶状体；海莴苣。

5.Any of several green algae of the genus Ulva, having a membranous leaflike, irregularly shaped thallus sometimes used in salads.

一种石莼属的绿色海藻，有膜状叶形的不规则的叶状体，经常用在沙拉中。

6.In this research we used the technique to pick up the thallus directly from apple surface under a stereomicroscope.

本研究使用直接挑取菌体分离技术进行了尝试，分离成功率高。

7.Lichens consist of a fungal partner and a photosynthetic partner, where the latter forms the thallus.

地衣由真菌伙伴和光合伙伴组成，后者形成叶状体。

8.Mosses exhibit a dominant thallus phase in their life cycle, which is crucial for their reproduction.

苔藓在其生命周期中表现出主导的叶状体阶段，这对它们的繁殖至关重要。

9.The thallus of certain seaweeds can be several meters long and provides habitat for marine life.

某些海藻的叶状体可以长达几米，为海洋生物提供栖息地。

10.The green algae have a simple structure called a thallus, which allows them to photosynthesize efficiently.

绿色藻类有一个简单的结构，称为叶状体，这使它们能够高效地进行光合作用。

11.In ferns, the young plant develops from a thallus stage before forming leaves.

在蕨类植物中，幼苗在形成叶子之前会从叶状体阶段发育。

作文

In the fascinating world of biology, the term thallus (体) often comes up when discussing certain types of organisms. A thallus is a simple, undifferentiated body structure found in some algae, fungi, and non-vascular plants, such as liverworts and mosses. Unlike higher plants that have complex structures with roots, stems, and leaves, organisms with a thallus exhibit a more primitive form of organization. This simplicity allows them to thrive in various environments, showcasing the diversity of life on Earth.The structure of a thallus can vary significantly among different species. For instance, in algae, a thallus may be flat and sheet-like, allowing it to efficiently absorb sunlight for photosynthesis. In contrast, fungal thalli can take on a more filamentous form, consisting of hyphae that spread out to form a network. This adaptability illustrates how the thallus serves essential functions for survival, including nutrient absorption and reproduction.One of the most intriguing aspects of thallus-bearing organisms is their reproductive strategies. Many algae reproduce asexually through fragmentation, where pieces of the thallus break off and develop into new individuals. This method not only ensures the continuation of the species but also allows for rapid colonization of suitable habitats. Additionally, some species can reproduce sexually, producing specialized structures that give rise to gametes. This dual approach to reproduction highlights the evolutionary success of organisms with a thallus.The ecological role of thallus organisms cannot be overstated. They are often primary producers in their ecosystems, forming the base of the food web. For example, many aquatic ecosystems rely on algae with thalli to produce oxygen and serve as food for herbivorous organisms. Furthermore, certain fungi with a thallus play a crucial role in decomposition, breaking down organic matter and recycling nutrients back into the soil. This process is vital for maintaining healthy ecosystems and supporting plant growth.In summary, understanding the concept of thallus (体) is essential for appreciating the complexity and diversity of life forms on our planet. These simple yet effective structures demonstrate the remarkable ways in which organisms have adapted to their environments. Whether through their unique reproductive methods or their vital ecological roles, thallus-bearing organisms remind us of the intricate connections that sustain life. As we continue to explore and study these fascinating organisms, we gain valuable insights into the fundamental principles of biology and the interconnectedness of all living things.

在生物学的迷人世界中，术语thallus（体）常常在讨论某些类型的生物时出现。thallus是一种简单的、未分化的身体结构，存在于某些藻类、真菌和非维管植物（如肝苔和苔藓）中。与具有复杂根、茎和叶结构的高等植物不同，具有thallus的生物表现出更原始的组织形式。这种简单性使它们能够在各种环境中茁壮成长，展示了地球生命的多样性。thallus的结构在不同物种之间可以有显著差异。例如，在藻类中，thallus可能是平坦且片状的，使其能够有效地吸收阳光进行光合作用。相比之下，真菌的thallus可以呈现出更丝状的形态，由菌丝组成，向外扩展形成网络。这种适应性说明了thallus在生存中所起的重要作用，包括营养吸收和繁殖。一个最引人入胜的方面是具有thallus的生物的繁殖策略。许多藻类通过碎片化无性繁殖，thallus的部分断裂并发展成新个体。这种方法不仅确保了物种的延续，还允许快速占领适宜栖息地。此外，一些物种可以进行有性繁殖，产生专门的结构，产生配子。这种双重繁殖方式突显了具有thallus的生物的进化成功。thallus生物的生态角色不容小觑。它们通常是其生态系统中的初级生产者，构成食物链的基础。例如，许多水生生态系统依赖具有thallus的藻类来生产氧气，并作为草食性生物的食物。此外，某些具有thallus的真菌在分解过程中发挥着关键作用，分解有机物并将养分循环回土壤。这一过程对于维持健康的生态系统和支持植物生长至关重要。总之，理解thallus（体）的概念对于欣赏我们星球上生命形式的复杂性和多样性至关重要。这些简单而有效的结构展示了生物如何适应其环境的非凡方式。无论是通过其独特的繁殖方法还是其重要的生态角色，具有thallus的生物提醒我们维持生命的复杂联系。随着我们继续探索和研究这些迷人的生物，我们获得了对生物学基本原理和所有生物之间相互联系的宝贵见解。