amoeboid movement

简明释义

变形运动

英英释义

例句

1.The study of amoeboid movement has implications for understanding cancer metastasis.

对变形虫运动的研究对理解癌症转移具有重要意义。

2.During development, some embryonic cells exhibit amoeboid movement as they differentiate.

在发育过程中，一些胚胎细胞表现出变形虫运动，随着它们的分化。

3.In laboratory studies, researchers observed the amoeboid movement of amoebas under a microscope.

在实验室研究中，研究人员在显微镜下观察到变形虫的变形虫运动。

4.The amoeboid movement allows certain cells to migrate towards areas of infection.

这种变形虫运动使得某些细胞能够向感染区域迁移。

5.The ability of white blood cells to engulf pathogens is a result of their amoeboid movement.

白血球吞噬病原体的能力是由于它们的变形虫运动。

作文

The world of biology is filled with fascinating processes and mechanisms that allow living organisms to interact with their environment. One such captivating phenomenon is the amoeboid movement, a unique form of locomotion exhibited by certain cells, particularly amoebas. This type of movement is not only essential for the survival of these single-celled organisms but also plays a crucial role in various biological processes, including immune responses in multicellular organisms.To understand amoeboid movement better, we must first explore its characteristics. Unlike traditional forms of movement that rely on muscles and skeletal structures, amoeboid movement is driven by the cytoplasm's fluidity within the cell. Amoebas extend their cell membrane to form temporary projections called pseudopodia, which literally means 'false feet.' These extensions allow the organism to crawl along surfaces, engulf food particles, or even migrate toward chemical signals in a process known as chemotaxis.The mechanism behind amoeboid movement involves a complex interplay of cellular components. The cytoskeleton, a network of protein filaments and tubules, plays a vital role in maintaining the cell's shape and enabling movement. When an amoeba detects a stimulus, it reorganizes its cytoskeletal elements, leading to the formation of pseudopodia. The cytoplasm flows into these extensions, propelling the cell forward. This dynamic process highlights the incredible adaptability of amoebas, allowing them to thrive in diverse environments, from freshwater ponds to soil.In addition to their survival strategies, amoeboid movement has significant implications in the study of human health. For instance, white blood cells exhibit a form of amoeboid movement when they respond to infections. They use this movement to navigate through tissues and reach sites of inflammation or infection, where they can engulf pathogens and debris—a process known as phagocytosis. Understanding how these immune cells utilize amoeboid movement can lead to advancements in medical treatments and therapies, particularly in enhancing the body's natural defense mechanisms.Furthermore, researchers are investigating the potential applications of amoeboid movement in biotechnology. By mimicking the movement patterns of amoebas, scientists hope to develop innovative drug delivery systems that can target specific tissues in the body more effectively. Such advancements could revolutionize how we approach treatment for various diseases, including cancer, by ensuring that therapeutic agents reach their intended destinations without affecting healthy cells.In conclusion, the study of amoeboid movement offers valuable insights into both the fundamental principles of biology and the potential for medical advancements. This remarkable form of locomotion not only enables amoebas to thrive in their environments but also illustrates the intricate mechanisms that govern cellular behavior. As we continue to unravel the mysteries of amoeboid movement, we pave the way for new discoveries that could enhance our understanding of life itself and improve human health in the future.

生物学的世界充满了迷人的过程和机制，这些过程和机制使生物体能够与其环境相互作用。其中一个引人入胜的现象是变形虫运动，这是一种由某些细胞（特别是变形虫）表现出的独特运动形式。这种运动不仅对这些单细胞生物的生存至关重要，而且在多细胞生物的各种生物过程中也发挥着关键作用，包括免疫反应。要更好地理解变形虫运动，我们首先必须探讨其特征。与依赖肌肉和骨骼结构的传统运动形式不同，变形虫运动是由细胞内细胞质的流动性驱动的。变形虫通过扩展其细胞膜形成临时突起，称为伪足，字面意思是“假脚”。这些突起使生物体能够沿表面爬行、吞噬食物颗粒，甚至朝向化学信号迁移，这一过程称为趋化性。变形虫运动背后的机制涉及细胞成分之间的复杂相互作用。细胞骨架（蛋白质纤维和微管的网络）在维持细胞形状和促进运动方面发挥着至关重要的作用。当变形虫检测到刺激时，它会重组其细胞骨架元素，从而导致伪足的形成。细胞质流入这些突起，推动细胞向前移动。这个动态过程突显了变形虫的惊人适应能力，使它们能够在从淡水池塘到土壤等多种环境中生存。除了生存策略外，变形虫运动在研究人类健康方面也具有重要意义。例如，白血球在响应感染时表现出一种形式的变形虫运动。它们利用这种运动在组织中导航，抵达炎症或感染部位，在那里它们可以吞噬病原体和碎片，这一过程称为吞噬作用。了解这些免疫细胞如何利用变形虫运动可以推动医学治疗和疗法的进步，特别是在增强身体自然防御机制方面。此外，研究人员正在调查模仿变形虫运动在生物技术中的潜在应用。通过模拟变形虫的运动模式，科学家希望开发出创新的药物输送系统，能够更有效地靶向体内特定组织。这些进展可能会彻底改变我们对各种疾病（包括癌症）的治疗方法，确保治疗剂到达预定目的地，而不影响健康细胞。总之，研究变形虫运动为我们提供了对生物学基本原理和医疗进步的宝贵见解。这种非凡的运动形式不仅使变形虫能够在其环境中生存，还展示了支配细胞行为的复杂机制。随着我们继续揭开变形虫运动的神秘面纱，我们为新的发现铺平了道路，这些发现可能会增强我们对生命本身的理解，并改善未来的人类健康。