nucleolar

简明释义

英[njuːˈkliːələ(r)]美[njʊˈkliələr]

adj. [细胞] 核仁的

英英释义

单词用法

同义词

反义词

例句

1.Nucleolar structure is one of the most obvious symbols. However, little is known about its evolutionary origin. Some previous studies implied that Giardia has no nucleolus.

核仁是真核细胞最显著的标志之一，但关于其进化上的起源迄今仍所知甚少，已发现有迹像表明原始性真核生物贾第虫没有核仁。

2.This is the so-called "nucleolar pattern" of staining in which the bright fluorescence is seen within the nucleoli of the Hep2 cells. This pattern is more suggestive of...

图示核仁型，在HEP2细胞核仁中，可见明亮的荧光。此型进一步提示进行性系统性硬化病。

3.The nucleolus has been studied for a long time but there have been still many arguments about nucleolar structures and function.

虽然人们对于核仁的认识已经有很长的历史了，但是人们对于核仁结构和功能方面的认识仍然有很多不同的意见。

4.This is the so-called "nucleolar pattern" of staining in which the bright fluorescence is seen within the nucleoli of the Hep2 cells. This pattern is more suggestive of progressive systemic sclerosis.

图示核仁型，在HEP2细胞核仁中，可见明亮的荧光。此型进一步提示进行性系统性硬化病。

5.The larger nucleolus was higher in electron-density, but the inside structure was not even, sometimes there was a very large nucleolar vacuole in it.

大核仁电子密度较高，质地不均匀，有时有一个体积很大的核仁泡位于其中。

6.Conclusion the activity of nucleolar organizer regions increasing is one of the important factors causing spontaneous abortion.

结论细胞核仁形成区活性增高是引起反复自发流产的重要因素。

7.The study focused on the role of nucleolar 核仁的 proteins in ribosome biogenesis.

这项研究集中于核仁的蛋白质在核糖体生物合成中的作用。

8.In cancer cells, the nucleolar 核仁的 stress response is often altered.

在癌细胞中，核仁的应激反应通常会发生改变。

9.Researchers observed changes in nucleolar 核仁的 morphology during cell division.

研究人员观察到细胞分裂期间核仁的形态变化。

10.The nucleolar 核仁的 function is crucial for protein synthesis.

核仁的功能对于蛋白质合成至关重要。

11.Immunofluorescence staining revealed the localization of nucleolar 核仁的 components.

免疫荧光染色显示了核仁的成分的定位。

作文

The cell is often referred to as the basic unit of life, and within this microscopic world, various structures serve specific functions that are vital for the survival and operation of an organism. One of these crucial structures is the nucleolus, which is located within the nucleus of eukaryotic cells. The term nucleolar refers to anything related to the nucleolus. This small, dense region plays a significant role in the production of ribosomes, which are essential for protein synthesis in all living cells. Understanding the function of the nucleolar region can provide insights into how cells grow and respond to their environments. The nucleolus is primarily composed of RNA and proteins, and it is where ribosomal RNA (rRNA) is synthesized and combined with proteins to form ribosomal subunits. These subunits are then transported out of the nucleolus and into the cytoplasm, where they join together to create functional ribosomes. Without the proper functioning of the nucleolar structure, cells would be unable to produce proteins efficiently, leading to impaired cellular functions and, ultimately, affecting the organism's health. In addition to its role in ribosome biogenesis, the nucleolar region is also involved in several other cellular processes. For instance, it plays a part in the regulation of the cell cycle and stress responses. During times of cellular stress, the nucleolus can undergo changes that reflect the cell's needs, such as altering its size or activity level. This adaptability underscores the importance of the nucleolar structure in maintaining cellular homeostasis. Recent research has shown that the nucleolar region may also be implicated in various diseases, including cancer. Abnormalities in nucleolar function can lead to uncontrolled cell growth, as the production of ribosomes is tightly linked to cellular proliferation. Understanding the molecular mechanisms by which the nucleolar structure contributes to disease can open up new avenues for therapeutic interventions. By targeting the pathways associated with the nucleolus, scientists hope to develop strategies that can effectively combat cancer and other related conditions. Moreover, the study of the nucleolar region extends beyond human health. In plants and animals, the nucleolus serves similar functions, highlighting its evolutionary significance. The conservation of the nucleolar structure across different species suggests that it is a fundamental aspect of cellular biology that has been preserved throughout evolution due to its essential roles. In conclusion, the nucleolar region is a critical component of eukaryotic cells, serving as the site for ribosome production and playing roles in various cellular processes. Its importance cannot be overstated, as it directly impacts the ability of cells to synthesize proteins and respond to environmental changes. As research continues to uncover the complexities of the nucleolar structure and its functions, we gain a deeper understanding of cellular biology and the potential implications for health and disease management. The nucleolar region exemplifies the intricate design of cellular components that work harmoniously to sustain life.

细胞通常被称为生命的基本单位，在这个微观世界中，各种结构承担着对生物体的生存和运作至关重要的特定功能。其中一个关键结构是核仁，它位于真核细胞的细胞核内。术语nucleolar指的是与核仁相关的任何事物。这个小而密集的区域在核糖体的产生中发挥着重要作用，核糖体对于所有活细胞的蛋白质合成都是必不可少的。 理解nucleolar区域的功能可以提供关于细胞如何生长和响应环境的见解。核仁主要由RNA和蛋白质组成，是合成核糖体RNA（rRNA）并与蛋白质结合形成核糖体亚基的地方。这些亚基随后被运输到细胞质中，在那里它们结合在一起形成功能性核糖体。如果nucleolar结构不能正常工作，细胞将无法有效地生产蛋白质，从而导致细胞功能受损，最终影响生物体的健康。 除了在核糖体生物合成中的作用外，nucleolar区域还参与其他几种细胞过程。例如，它在细胞周期和应激反应的调节中也起着作用。在细胞遭受压力时，核仁可以发生变化，以反映细胞的需求，例如改变其大小或活动水平。这种适应性强调了nucleolar结构在维持细胞稳态中的重要性。 最近的研究显示，nucleolar区域也可能与多种疾病有关，包括癌症。核仁功能的异常可能导致细胞生长失控，因为核糖体的产生与细胞增殖紧密相关。理解核仁对疾病贡献的分子机制可以为治疗干预开辟新的途径。通过针对与核仁相关的通路，科学家希望开发出能够有效对抗癌症及其他相关疾病的策略。 此外，对nucleolar区域的研究超越了人类健康。在植物和动物中，核仁也发挥着类似的功能，突显了其进化意义。nucleolar结构在不同物种中的保守性表明，它是细胞生物学的一个基本方面，由于其重要角色，在进化过程中得以保留。 总之，nucleolar区域是真核细胞的一个关键组成部分，作为核糖体生产的场所，并在各种细胞过程中发挥作用。它的重要性不容小觑，因为它直接影响细胞合成蛋白质和响应环境变化的能力。随着研究继续揭示nucleolar结构及其功能的复杂性，我们对细胞生物学及其对健康和疾病管理的潜在影响有了更深入的理解。nucleolar区域体现了细胞组件的复杂设计，这些组件和谐地协同工作以维持生命。