cilium

简明释义

英[ˈsɪliəm]美[ˈsɪliəm]

n. [生物] 纤毛；睫毛

复 数 c i l i a

英英释义

单词用法

同义词

反义词

例句

1.Result The cilium columnar epithelia or cylindric cell have be found in sputum of the tracheal, no cell mentioned above was checked in sputum collected from phar…

结果气管内痰液可查到纤毛柱状上皮细胞或圆柱形柱状细胞，但咽部痰液查不到上述细胞。

2.Objective to study the structural characteristic of cilium of photoreceptor cells from neonatal retina.

目的了解新出生期视网膜感光细胞纤毛结构特点。

3.Connecting cilium and accessory outer segment are present in both rods and cones.

视锥和视杆均含有连接纤毛和辅助外段。

4.Result The cilium columnar epithelia or cylindric cell have be found in sputum of the tracheal, no cell mentioned above was checked in sputum collected from pharyngeal portion.

结果气管内痰液可查到纤毛柱状上皮细胞或圆柱形柱状细胞，但咽部痰液查不到上述细胞。

5.The expression of axonemal dynein gene DNAI in bronchial tissues of smoker significantly decreased, which may be one of the reasons for the decrease of cilium movement caused by smoking.

纤毛轴动力蛋白基因DNAI在吸烟者支气管组织中的表达明显降低，可能是吸烟造成纤毛运动功能下降的原因之一。

6.The expression of axonemal dynein gene DNAI in bronchial tissues of smoker significantly decreased, which may be one of the reasons for the decrease of cilium movement caused by smoking.

纤毛轴动力蛋白基因DNAI在吸烟者支气管组织中的表达明显降低，可能是吸烟造成纤毛运动功能下降的原因之一。

7.Both the CEP290 and LCA5 genes encode proteins with vital functions in the cilium of the photoreceptors, transporting visual proteins to the compartment where vision occurs.

CEP290和LCA5基因编码的蛋白在光感受器功能、视觉成像时转运视觉蛋白上起了重要的作用。

8.The unit membrane of the cell continues up over each cilium.

细胞膜向上突起延续构成纤毛的表面。

9.An inner mucous membrane has cilia (see cilium) that project inward to trap particles.

内层的黏膜有纤毛，向内突出以挡住微粒。

10.The movement of the single-celled organism is driven by its cilium.

这个单细胞生物的运动是由它的纤毛驱动的。

11.In human respiratory systems, cilia help clear mucus and debris.

在人类呼吸系统中，纤毛帮助清除粘液和杂质。

12.Each cilium on the surface of the cell plays a role in sensing the environment.

细胞表面的每个纤毛在感知环境中都起着作用。

13.Damage to the cilia can lead to respiratory diseases.

对纤毛的损伤可能导致呼吸道疾病。

14.The cilia on the epithelial cells are essential for moving fluids across the surface.

上皮细胞上的纤毛对于在表面移动液体至关重要。

作文

The microscopic world is filled with fascinating structures that play crucial roles in the functioning of living organisms. One such structure is the cilium, which is a hair-like projection found on the surface of many cells. These cilia are not just for decoration; they serve essential functions that contribute to the overall health and efficiency of the organism. In this essay, we will explore the significance of cilia, their various types, and their roles in different biological systems.Firstly, cilia can be classified into two main types: motile cilia and non-motile cilia. Motile cilia are responsible for movement. They beat in coordinated waves, allowing cells to move through fluid or to move fluid over their surface. For example, the lining of the respiratory tract is covered with motile cilia that help to clear mucus and debris from the airways. When we breathe, these cilia work tirelessly to keep our lungs clean, preventing infections and maintaining respiratory health.On the other hand, non-motile cilia, often referred to as primary cilia, serve as sensory organelles. They play a crucial role in signal transduction, helping cells sense their environment and respond accordingly. For instance, in kidney cells, primary cilia detect changes in fluid flow and send signals that regulate kidney function. This highlights the importance of cilia in maintaining homeostasis within the body.Moreover, cilia are also involved in developmental processes. During embryonic development, cilia play a role in left-right asymmetry, which is vital for the proper formation of organs. Disruptions in cilia function can lead to serious developmental disorders, illustrating how critical these tiny structures are in shaping life.Despite their small size, the impact of cilia on health and disease is significant. Dysfunctional cilia have been linked to a variety of diseases, known as ciliopathies. These include conditions such as polycystic kidney disease, Bardet-Biedl syndrome, and certain forms of retinal degeneration. Understanding the role of cilia in these diseases has opened up new avenues for research and potential therapies.In conclusion, cilia are remarkable cellular structures that perform essential functions in movement, sensory perception, and development. Their diverse roles highlight the complexity of cellular life and the intricate mechanisms that sustain it. As we continue to study cilia, we gain insights into not only basic biology but also the underlying causes of various diseases. The more we understand about these tiny projections, the better equipped we are to address the health issues related to ciliopathies and to appreciate the elegance of cellular organization in living organisms.

微观世界充满了迷人的结构，这些结构在生物体的功能中发挥着至关重要的作用。其中一个这样的结构是纤毛，它是一种存在于许多细胞表面的类毛状突起。这些纤毛不仅仅是装饰；它们的作用是必不可少的，促进生物体的整体健康和效率。在这篇文章中，我们将探讨纤毛的重要性、它们的各种类型以及它们在不同生物系统中的角色。首先，纤毛可以分为两种主要类型：运动性纤毛和非运动性纤毛。运动性纤毛负责移动。它们以协调的波动方式拍打，使细胞能够通过液体移动或使液体在其表面移动。例如，呼吸道的内衬覆盖着运动性纤毛，这些纤毛有助于清除气道中的粘液和杂物。当我们呼吸时，这些纤毛不知疲倦地工作，以保持我们的肺部清洁，防止感染并维持呼吸健康。另一方面，非运动性纤毛，通常称为初级纤毛，作为感官细胞器发挥作用。它们在信号转导中起着至关重要的作用，帮助细胞感知环境并作出相应的反应。例如，在肾脏细胞中，初级纤毛检测液流变化并发送调节肾脏功能的信号。这突显了纤毛在维持体内稳态中的重要性。此外，纤毛还参与发育过程。在胚胎发育过程中，纤毛在左右不对称中发挥作用，这对器官的正确形成至关重要。纤毛功能的干扰可能导致严重的发育障碍，说明这些微小结构在塑造生命中的关键作用。尽管它们的体积很小，但纤毛对健康和疾病的影响却十分显著。功能失调的纤毛与多种疾病有关，这些疾病被称为纤毛病。这些包括多囊肾病、巴尔代特-比德尔综合症以及某些形式的视网膜退化。了解纤毛在这些疾病中的作用为研究和潜在疗法开辟了新的途径。总之，纤毛是卓越的细胞结构，在运动、感知和发育中执行基本功能。它们的多样性角色突显了细胞生命的复杂性和维持生命的精巧机制。随着我们对纤毛的不断研究，我们不仅获得了对基础生物学的深入了解，还了解了各种疾病的根本原因。我们对这些微小突起的理解越深，就越能有效应对与纤毛病相关的健康问题，并欣赏生物体内细胞组织的优雅。