microfilament

简明释义

英[ˈmaɪkrəʊˌfɪləmənt]美[ˌmaɪkroʊˈfɪləmənt]

n. [细胞] 微丝；[细胞] 微纤丝（细胞骨架系统成分之一）

英英释义

单词用法

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例句

1.As the important part of cytoskeleton, microfilament skeleton is composed of actin and actin-binding proteins, and widely exists in eukaryotic cells.

微丝骨架是细胞骨架的重要组成部分，它由肌动蛋白和肌动蛋白结合蛋白组成，广泛存在于真核细胞中。

2.We also described the main signaling pathways that regulate the microfilament cytoskeleton.

本文还对调节微丝骨架的主要信号传递途径进行了综述。

3.It was found that the cytoplasm of the protoplasts were rich in very dense and fine actin microfilament cables.

研究结果发现洋葱鳞茎内部细胞的细胞质内存在极丰富而精细的肌动蛋白微丝束。

4.The microfilament, ribosomes an keratohyalin granules increased and the glycogen decreased as the fetus developed.

随着胎龄的增加，微丝束、透明角质颗粒、核蛋白体增加，糖原逐渐减少。

5.As one of the cytoskeletons, microfilament is important in many cell functions.

微丝骨架作为细胞骨架的一种，它在细胞的许多功能活动中起重要作用。

6.Objective: To investigate the effect of cytomegalovirus(CMV) infection on actin and microfilament in human embryo fibroblast cells(HF) and its relationship with CMV replication.

目的：探讨巨细胞病毒（CMV）感染对人胚成纤维细胞（HF）微丝骨架影响及与病毒复制状态的可能关系。

7.Cytoskeleton includes microfilament, microtubule and intermediate filaments.

细胞骨架包括微丝、微管及中间丝。

8.The advance on microfilament cytoskeleton in plant pollen tube and guard cells, and signal transduction involving in plant microfilament cytoskeleton were simply illustrated in this paper.

文章就植物花粉管、保卫细胞中微丝骨架以及微丝骨架与信号转导的一些研究进展作了简要介绍。

9.The microfilament is the skeletal structure of microvilli.

微绒毛活动的支撑骨架为微丝。

10.In the laboratory, we can observe the arrangement of microfilaments under a microscope.

在实验室中，我们可以通过显微镜观察到微丝的排列。

11.The movement of amoebas is facilitated by their microfilaments.

变形虫的运动是通过它们的微丝来促进的。

12.Actin is a protein that forms microfilaments in eukaryotic cells.

肌动蛋白是一种在真核细胞中形成微丝的蛋白质。

13.The structure of the cell is supported by a network of microfilaments.

细胞的结构由一网络的微丝支撑。

14.During muscle contraction, microfilaments play a crucial role.

在肌肉收缩过程中，微丝发挥着至关重要的作用。

作文

Microfilaments are essential components of the cytoskeleton in eukaryotic cells. They are primarily composed of a protein called actin, which is crucial for various cellular functions. The structure of microfilaments is characterized by their thin, thread-like appearance, typically measuring about 7 nanometers in diameter. This unique structure allows them to play a vital role in maintaining the shape and integrity of the cell. Microfilaments contribute to the cell's mechanical strength and facilitate movement by interacting with other proteins and structures within the cell. For instance, during cell division, microfilaments help in the formation of the contractile ring, which pinches the cell into two daughter cells. Additionally, they are involved in processes such as muscle contraction, where myosin interacts with actin filaments to generate force. Beyond their structural roles, microfilaments also participate in intracellular transport, helping to move organelles and vesicles throughout the cell. Their dynamic nature allows them to rapidly grow and shrink, enabling cells to adapt to changing conditions. In neurons, microfilaments are crucial for the growth of axons and dendrites, playing a significant role in the development of the nervous system. Furthermore, abnormalities in microfilament dynamics have been linked to various diseases, including cancer and neurodegenerative disorders. Research continues to explore the intricate functions of microfilaments and their potential as therapeutic targets. Understanding how microfilaments operate not only provides insight into basic cellular biology but also opens avenues for medical advancements. In summary, the study of microfilament (微丝) is vital for comprehending the complexity of cellular structures and their functions. As we delve deeper into the world of cellular biology, the importance of microfilament (微丝) will undoubtedly become more apparent, highlighting their significance in both health and disease.

微丝是真核细胞细胞骨架的重要组成部分。它们主要由一种称为肌动蛋白的蛋白质构成，这对各种细胞功能至关重要。微丝的结构特点是其细长、线状的外观，直径约为7纳米。这种独特的结构使它们在维持细胞形状和完整性方面发挥重要作用。微丝有助于细胞的机械强度，并通过与细胞内其他蛋白质和结构相互作用来促进运动。例如，在细胞分裂过程中，微丝帮助形成收缩环，从而将细胞分成两个子细胞。此外，它们还参与诸如肌肉收缩等过程，其中肌球蛋白与肌动蛋白丝相互作用以产生力量。除了结构作用外，微丝还参与细胞内运输，帮助在细胞内移动细胞器和囊泡。它们的动态特性使它们能够快速生长和缩小，使细胞能够适应变化的条件。在神经元中，微丝对轴突和树突的生长至关重要，在神经系统的发展中发挥着重要作用。此外，微丝动态异常与多种疾病有关，包括癌症和神经退行性疾病。研究不断探索微丝的复杂功能及其作为治疗靶点的潜力。了解微丝如何运作不仅提供了对基本细胞生物学的洞察，还为医学进步开辟了途径。总之，微丝（microfilament）的研究对于理解细胞结构及其功能的复杂性至关重要。随着我们深入细胞生物学的世界，微丝（microfilament）的重要性无疑会变得更加明显，突显出它们在健康和疾病中的重要性。