mitotic

简明释义

英[maɪˈtɒtɪk]美[maɪˈtɑːtɪk]

adj. [细胞] 有丝分裂的；间接核分裂的

英英释义

单词用法

同义词

反义词

例句

1.It is shown that the mean relative lengths and centromeric indices of autosomal SCs agree closely with those of mitotic chromosomes.

结果表明，常染色体联会复合体的相对长度和着丝点指数与体细胞染色体的相应参数具有很好的吻合性。

2.Conclusion Mitotic index and tumor size may be the valuable prognostic factors, however chemotherapy after operation can't improve the patients' survival.

结论核分裂指数和肿瘤体积是卵巢颗粒-间质细胞恶性肿瘤有价值的预后因素，而术后化疗并不改善患者的预后。

3.In mitotic cycle, PIAS adjusts cell senescence and cell perish, which can promote cell proliferation and senile.

在细胞周期中，PIAS蛋白是细胞衰老和细胞凋亡的调节子，可促进细胞的扩散和衰老。

4.With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.

以不同浓度的污水和硫酸铝作为诱变剂，测定豌豆根尖细胞的有丝分裂指数、微核率和染色体畸变率。

5.The centrosome, the major microtubule organizing center regulates cell division through forming bipolar mitotic spindles and plays an essential role in the maintenance of chromosomal stability.

中心体作为细胞的主要微管组织中心，在细胞周期过程中建立两极纺锤体，调节细胞有丝分裂，从而对维持染色体的稳定起着重要的作用。

6.Microtubules are shown in green, actin is in red and mitotic chromosomes are colored blue.

绿色为微丝，红色为肌动蛋白，蓝色为染色质，中心点复制成两个。

7.Therefore, Mitotic index can be used as a reference for monitoring the formaldehyde content in the environment. Onions can be applied to formaldehyde pollution monitoring.

根尖有丝分裂指数可以作为监测环境中甲醛含量的参考指标，应用于甲醛污染的监测。

8.Sarcomas, including leiomyosarcomas, often have very large bizarre giant cells along with the spindle cells. A couple of mitotic figures appear at the left and lower left.

包括平滑肌肉瘤在内的肉瘤中常可见到形状奇异的巨细胞，分布于梭性细胞之间。图左侧及左下方可见核分裂象。

9.The cell underwent mitotic 有丝分裂的 division to produce two identical daughter cells.

细胞经历了有丝分裂的分裂，产生两个相同的子细胞。

10.An error in mitotic 有丝分裂的 processes can lead to genetic abnormalities.

在有丝分裂的过程中发生错误可能导致遗传异常。

11.During the mitotic 有丝分裂的 phase, chromosomes are aligned in the center of the cell.

在有丝分裂的阶段，染色体排列在细胞的中心。

12.The study focused on the regulation of mitotic 有丝分裂的 checkpoints during cell division.

该研究集中于细胞分裂过程中有丝分裂的检查点的调控。

13.Researchers observed a significant increase in mitotic 有丝分裂的 activity in cancerous tissues.

研究人员观察到癌组织中有丝分裂的活性显著增加。

作文

The study of cell division is crucial for understanding the processes that govern growth and development in living organisms. One of the key phases of cell division is known as mitotic (有丝分裂的) division, which plays a significant role in ensuring that genetic material is accurately replicated and distributed to daughter cells. This process is essential not only for growth but also for tissue repair and regeneration. In multicellular organisms, mitotic (有丝分裂的) division allows for the replacement of damaged or dead cells, maintaining the overall health of the organism.During the mitotic (有丝分裂的) phase, a single cell undergoes a series of well-orchestrated steps that result in two genetically identical daughter cells. The entire process can be divided into several stages: prophase, metaphase, anaphase, and telophase. Each stage has its own distinct characteristics and functions. For example, during prophase, the chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down. This is followed by metaphase, where chromosomes align at the cell's equatorial plane, ensuring that they are properly positioned for separation.Anaphase follows, during which the sister chromatids are pulled apart towards opposite poles of the cell. This movement is facilitated by the spindle apparatus, which is crucial for the accurate segregation of chromosomes. Finally, in telophase, the separated chromatids reach the poles, and the nuclear envelope re-forms around each set of chromosomes, leading to the formation of two nuclei within the cell. Following telophase, cytokinesis occurs, completing the mitotic (有丝分裂的) process by dividing the cytoplasm and organelles between the two daughter cells.Understanding mitotic (有丝分裂的) division is not only important in biology but also has significant implications in medicine. For instance, cancer is characterized by uncontrolled cell division, where the regulatory mechanisms governing mitotic (有丝分裂的) processes fail. This leads to the formation of tumors and the spread of cancerous cells throughout the body. By studying the intricacies of mitotic (有丝分裂的) division, researchers aim to develop targeted therapies that can inhibit the rapid proliferation of cancer cells.Moreover, advancements in biotechnology have allowed scientists to manipulate mitotic (有丝分裂的) processes for various applications, including regenerative medicine and tissue engineering. By understanding how to control cell division, it may be possible to grow tissues or organs for transplantation, providing solutions for patients with organ failure or severe injuries.In conclusion, the mitotic (有丝分裂的) process is fundamental to life, enabling growth, development, and healing. A deeper understanding of this process not only enhances our knowledge of biology but also paves the way for innovative medical treatments. As research continues to unfold, the implications of mitotic (有丝分裂的) studies will undoubtedly lead to breakthroughs that improve health outcomes and enhance our understanding of cellular functions.

细胞分裂的研究对于理解支配生物体生长和发育的过程至关重要。细胞分裂的关键阶段之一被称为mitotic（有丝分裂的）分裂，它在确保遗传物质被准确复制并分配到子细胞中方面发挥着重要作用。这个过程不仅对生长至关重要，而且对于组织修复和再生也同样重要。在多细胞生物中，mitotic（有丝分裂的）分裂使得受损或死亡的细胞得以替换，从而维持生物体的整体健康。在mitotic（有丝分裂的）阶段，一个单一的细胞经历一系列精心协调的步骤，最终形成两个基因组相同的子细胞。整个过程可以分为几个阶段：前期、中期、后期和末期。每个阶段都有其独特的特征和功能。例如，在前期，染色质凝缩成可见的染色体，核膜开始解体。接下来是中期，染色体排列在细胞的赤道平面上，确保它们在分离时处于正确位置。随后是后期，此时姐妹染色单体朝向细胞的两个极点被拉开。这种运动由纺锤体装置促进，该装置对于染色体的准确分离至关重要。最后，在末期，分开的染色单体到达极点，核膜重新在每组染色体周围形成，导致两个细胞核的形成。末期之后，细胞质分裂发生，完成了mitotic（有丝分裂的）过程，通过将细胞质和细胞器分配到两个子细胞之间。理解mitotic（有丝分裂的）分裂不仅在生物学上重要，而且在医学上也有重大意义。例如，癌症的特征是细胞分裂失控，这种情况下调节mitotic（有丝分裂的）过程的机制失效。这导致肿瘤的形成以及癌细胞在全身的扩散。通过研究mitotic（有丝分裂的）分裂的复杂性，研究人员旨在开发能够抑制癌细胞快速增殖的靶向治疗。此外，生物技术的进步使科学家能够操纵mitotic（有丝分裂的）过程以用于各种应用，包括再生医学和组织工程。通过了解如何控制细胞分裂，可能可以为移植生长组织或器官，为器官衰竭或严重损伤的患者提供解决方案。总之，mitotic（有丝分裂的）过程是生命的基础，使生长、发育和愈合成为可能。对这一过程的深入理解不仅增强了我们对生物学的知识，也为创新医疗治疗铺平了道路。随着研究的不断深入，mitotic（有丝分裂的）研究的影响无疑将导致改善健康结果和深化我们对细胞功能理解的突破。