tail spindle

简明释义

顶尖轴

英英释义

例句

1.We need to replace the worn-out tail spindle to ensure the equipment runs smoothly.

我们需要更换磨损的尾轴以确保设备顺利运行。

2.The tail spindle plays a crucial role in the performance of the machinery.

在机器的性能中，尾轴起着至关重要的作用。

3.In our latest model, the tail spindle has been reinforced for better durability.

在我们最新的型号中，尾轴已被加固以增强耐用性。

4.During the assembly process, make sure the tail spindle is properly aligned with the main shaft.

在组装过程中，确保尾轴与主轴正确对齐。

5.The engineer designed a new mechanism that includes a tail spindle to improve the device's stability.

工程师设计了一种新机制，包括一个尾轴以提高设备的稳定性。

作文

In the world of biology, there are numerous fascinating structures that play crucial roles in the life of organisms. One such structure is the tail spindle, which has significant importance in the process of cell division, particularly during mitosis and meiosis. The tail spindle can be described as a specialized arrangement of microtubules that helps segregate chromosomes into daughter cells. This process is vital for maintaining genetic stability across generations of cells. Understanding the function and mechanics of the tail spindle not only enhances our knowledge of cellular biology but also sheds light on various diseases that can arise from errors in cell division.During cell division, the tail spindle forms as the cell prepares to divide. It originates from the centrosomes, which are organelles that serve as the main microtubule organizing centers. As the cell enters prophase, the chromosomes condense and become visible under a microscope. The tail spindle extends from the centrosomes toward the chromosomes, anchoring them and ensuring they are properly aligned. This alignment is crucial because any misalignment can lead to unequal distribution of genetic material, resulting in conditions like cancer or genetic disorders.The role of the tail spindle is particularly evident during anaphase, where it facilitates the movement of sister chromatids towards opposite poles of the cell. The microtubules of the tail spindle shorten, pulling the chromatids apart with remarkable precision. This action is essential for the successful completion of cell division, ensuring that each new cell receives the correct number of chromosomes. The efficiency of this process underscores the evolutionary significance of the tail spindle in maintaining the integrity of genetic information.Moreover, studying the tail spindle has implications beyond basic biology. Researchers are increasingly interested in how abnormalities in spindle formation can lead to diseases. For instance, certain cancers are linked to mutations that affect the proteins involved in spindle assembly. By understanding the mechanics of the tail spindle, scientists hope to develop targeted therapies that can correct these abnormalities and restore normal cell division.In conclusion, the tail spindle is a remarkable structure that plays a pivotal role in cell division. Its function in ensuring accurate chromosome segregation is vital for the health and stability of organisms. As we continue to explore the complexities of cellular processes, the tail spindle stands out as a key player in the intricate dance of life. By furthering our understanding of this structure, we can not only appreciate the elegance of biological systems but also pave the way for advancements in medical science that could one day improve the treatment of diseases linked to cell division errors.

在生物学的世界中，有许多迷人的结构在生物体的生命中发挥着至关重要的作用。其中一个这样的结构是尾纺锤体，它在细胞分裂的过程中具有重要意义，特别是在有丝分裂和减数分裂期间。尾纺锤体可以被描述为一种特殊的微管排列，帮助将染色体分离到子细胞中。这一过程对于维持细胞世代之间的遗传稳定性至关重要。理解尾纺锤体的功能和机制不仅增强了我们对细胞生物学的认识，也揭示了由于细胞分裂错误而可能出现的各种疾病。在细胞分裂期间，尾纺锤体在细胞准备分裂时形成。它起源于中心体，中心体是作为主要微管组织中心的细胞器。当细胞进入前期时，染色体开始凝缩并在显微镜下可见。尾纺锤体从中心体延伸到染色体，锚定它们并确保它们正确对齐。这种对齐至关重要，因为任何不对齐都可能导致遗传物质的不均匀分配，从而导致癌症或遗传疾病等状况。尾纺锤体的作用在后期尤为明显，此时它促进姐妹染色单体向细胞的相反极移动。尾纺锤体的微管缩短，将染色单体精确地拉开。这一动作对于成功完成细胞分裂至关重要，确保每个新细胞都接收到正确数量的染色体。这一过程的高效性突出了尾纺锤体在维持遗传信息完整性方面的进化重要性。此外，研究尾纺锤体对基础生物学之外的领域也有影响。研究人员越来越关注纺锤体形成中的异常如何导致疾病。例如，某些癌症与影响纺锤体组装的蛋白质的突变有关。通过理解尾纺锤体的机制，科学家希望开发出能够纠正这些异常并恢复正常细胞分裂的靶向疗法。总之，尾纺锤体是一种非凡的结构，在细胞分裂中发挥着关键作用。它在确保准确的染色体分离中的功能对于生物体的健康和稳定至关重要。随着我们继续探索细胞过程的复杂性，尾纺锤体作为生命复杂舞蹈中的关键角色脱颖而出。通过进一步了解这一结构，我们不仅可以欣赏生物系统的优雅，还可以为医学科学的进步铺平道路，这可能最终改善与细胞分裂错误相关的疾病的治疗。