microfilaments

简明释义

英[/ˌmaɪkrəʊˈfɪləmənts/]美[/ˌmaɪkroʊˈfɪləmənts/]

[细胞] 微丝

英英释义

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例句

1.During spindle migration, an area enriched in actin microfilaments and devoid of microvilli begins to form in the cortex overlying the spindle, and prominent cortical polarity develops.

在纺锤体迁移的过程中，一个无微绒毛但富含微丝的区域形成于其上方皮质区域。至此，卵母细胞的极性形成。

2.Going further into the structure and function of the microfilaments is of great significance to the research in can...

进一步研究微丝的构造及功能，对癌转移的研究是非常重要的。

3.The microfilaments of some microvilli formed core rootlets and entered into the cytoplasm.

细胞游离面部分微绒毛的微丝形成中心根并深入胞质。

4.The process occurs as myosin proteins attached to organelles push against microfilaments arrayed throughout the cell.

这个过程发生，当肌球蛋白附着在细胞器上，由细胞细胞上排列的微丝推动的时候。

5.Results A specific sequential changes in microfilaments occourred during wound healing.

结果内皮细胞在损伤修复过程中伴随微丝特殊而有序的变化。

6.During spindle migration, an area enriched in actin microfilaments and devoid of microvilli begins to form in the cortex overlying the spindle, and prominent cortical polarity develops.

在纺锤体迁移的过程中，一个无微绒毛但富含微丝的区域形成于其上方皮质区域。至此，卵母细胞的极性形成。

7.Spoted vinculin was distributed in the end of microfilaments near the cell membrane;

纽蛋白呈斑点状，位于微丝靠近细胞膜的末端；

8.The microfilaments in the microvilli and pseudopodia are the skeleton of the movement.

微绒毛及伪足内的微丝是其运动的骨架结构。

9.In muscle cells, the contraction is facilitated by the interaction of myosin and actin, which are both types of microfilaments (微丝).

在肌肉细胞中，收缩是通过肌球蛋白和肌动蛋白的相互作用来实现的，它们都是一种类型的微丝(microfilaments)。

10.The cytoskeleton is composed of three main components: microtubules, microfilaments (微丝), and intermediate filaments.

细胞骨架由三个主要成分组成：微管、微丝(microfilaments)和中间纤维。

11.Research has shown that microfilaments (微丝) are involved in cell motility and shape changes.

研究表明，微丝(microfilaments)参与细胞运动和形状变化。

12.During cell division, microfilaments (微丝) play a crucial role in forming the contractile ring.

在细胞分裂过程中，微丝(microfilaments)在形成收缩环中起着至关重要的作用。

13.In amoebas, movement is achieved through the extension and retraction of microfilaments (微丝).

在变形虫中，运动是通过微丝(microfilaments)的伸展和收缩来实现的。

作文

Microfilaments are one of the key components of the cytoskeleton in eukaryotic cells. These thin, thread-like structures, which are approximately 7 nanometers in diameter, play a crucial role in maintaining the cell's shape and facilitating movement. Microfilaments are primarily composed of a protein called actin, which is highly conserved across different species, indicating its fundamental importance in cellular functions. The dynamic nature of microfilaments (微丝) allows them to rapidly assemble and disassemble, enabling cells to respond quickly to changes in their environment.In addition to providing structural support, microfilaments (微丝) are involved in various cellular processes such as muscle contraction, cell division, and intracellular transport. For instance, during muscle contraction, myosin motor proteins interact with actin filaments, pulling them closer together and resulting in the shortening of muscle fibers. This interaction highlights the importance of microfilaments (微丝) not only in maintaining cell structure but also in facilitating movement at the cellular level.Moreover, microfilaments (微丝) play a critical role in the process of cytokinesis, which is the final step of cell division. During this process, a contractile ring composed of microfilaments (微丝) forms at the equator of the dividing cell. As the ring contracts, it pinches the cell into two daughter cells, ensuring that each new cell receives an appropriate share of the cytoplasm and organelles. This mechanism is essential for proper growth and development in multicellular organisms.The versatility of microfilaments (微丝) extends beyond structural roles; they are also involved in cell signaling pathways. For example, the rearrangement of microfilaments (微丝) can influence the distribution of signaling molecules within the cell, thereby affecting various cellular responses. This interplay between microfilaments (微丝) and signaling pathways underscores the complexity of cellular behavior and the importance of cytoskeletal dynamics in health and disease.In recent years, research has shown that abnormalities in microfilaments (微丝) can lead to various diseases, including cancer and neurodegenerative disorders. For instance, in cancer cells, the regulation of microfilaments (微丝) is often disrupted, leading to increased cell motility and invasion. Understanding the role of microfilaments (微丝) in these processes is crucial for developing targeted therapies that can inhibit tumor progression.In conclusion, microfilaments (微丝) are essential components of the cytoskeleton that contribute to a wide range of cellular functions, from maintaining shape to facilitating movement and cell division. Their dynamic nature and involvement in critical cellular processes make them a focal point of study in cell biology. As research continues to unveil the complexities of microfilaments (微丝), we gain deeper insights into their roles in health and disease, paving the way for potential therapeutic interventions in the future.