karyon

简明释义

英[ˈkæriɒn]美[ˈkærɪɑːn]

n. 核；[细胞] 细胞核

英英释义

单词用法

同义词

反义词

例句

1.No matter what plant or animal, the chromosome in its karyon has a certain number and shape.

无论是动物还是植物，其细胞核内的染色体，不仅具有一定的数目，而且还有一定的形状。

2.Objective: to investigate the relationship among ER, PR of breast carcinoma and histological type, karyon grading, stromal responsive fibrosis, and the age of the patient.

目的：探讨乳腺癌er、PR与癌组织的组织学类型、核分极、纤维间质增生及患者年龄等因素的关系。

3.Changfukang could improve the cell and karyon morphology of transplantation tumor, and reduce the physical content in nucleus. This effect was most significant in the high dose group.

肠复康可改善移植瘤细胞及细胞核形态，减少核内物质含量，高剂量组作用最为明显。

4.The parameter is obtained through digital image processing techniques such as the morphologic and chromatic features of karyon, the removing and filling-up methods of black region, and so on.

综合参数主要利用癌细胞核形态学和色度学的特征以及黑区域消除与填补算法等图像处理技术获得。

5.The parameter is obtained through digital image processing techniques such as the morphologic and chromatic features of karyon, the removing and filling-up methods of black region, and so on.

综合参数主要利用癌细胞核形态学和色度学的特征以及黑区域消除与填补算法等图像处理技术获得。

6.The positive product was distributed in karyon.

阳性反应产物见于细胞核中。

7.The cell's nucleus, or karyon, contains the genetic material.

细胞核，或karyon，包含遗传物质。

8.In biology, the term karyon is often used to refer to the nucleus of a eukaryotic cell.

在生物学中，术语karyon通常用于指代真核细胞的细胞核。

9.The structure of the karyon is crucial for the regulation of gene expression.

在基因表达的调控中，karyon的结构至关重要。

10.During mitosis, the karyon divides to ensure each daughter cell receives a complete set of chromosomes.

在有丝分裂过程中，karyon分裂以确保每个子细胞获得完整的染色体组。

11.Scientists study the karyon to understand cellular processes and diseases.

科学家研究karyon以了解细胞过程和疾病。

作文

The term karyon refers to the nucleus of a cell, which is a vital component in the study of biology and genetics. The karyon houses the genetic material of an organism, organized into chromosomes. Within the karyon, DNA is stored and protected, allowing for the proper regulation of cellular functions and the transmission of genetic information during cell division. Understanding the structure and function of the karyon is essential for comprehending how traits are inherited and how cells respond to their environment.In eukaryotic organisms, the karyon is surrounded by a double membrane known as the nuclear envelope, which serves to separate the contents of the nucleus from the cytoplasm. This separation is crucial because it allows for the complex processes of transcription and replication to occur in a controlled environment. The nuclear envelope contains pores that regulate the exchange of materials between the karyon and the rest of the cell, ensuring that necessary proteins and RNA can enter and exit as needed.Inside the karyon, the nucleolus is another important structure, where ribosomal RNA is synthesized and assembled with proteins to form ribosomes. Ribosomes are essential for protein synthesis, which is vital for cell growth, repair, and function. The presence of the nucleolus within the karyon highlights the intricate machinery that supports cellular life.Moreover, the karyon plays a key role in cell division through processes such as mitosis and meiosis. During mitosis, the genetic material within the karyon is duplicated and evenly distributed to two daughter cells, ensuring that each new cell has the same genetic information as the original. In meiosis, which is critical for sexual reproduction, the karyon undergoes two rounds of division, resulting in gametes that contain half the number of chromosomes. This reduction is essential for maintaining the species' chromosome number across generations.The study of the karyon extends beyond basic biology; it has significant implications in medical research, particularly in understanding diseases such as cancer. Abnormalities in the karyon, such as mutations in DNA or irregularities in chromosome number, can lead to uncontrolled cell growth and tumor formation. Researchers are continually investigating the mechanisms that govern karyon function and integrity, seeking ways to target these pathways for therapeutic purposes.In conclusion, the karyon is a fundamental element of cellular biology, encapsulating the essence of life through its role in housing genetic material and regulating cellular activities. A thorough understanding of the karyon not only enhances our knowledge of biological processes but also opens doors to advancements in medical science and genetics. As we continue to explore the complexities of the karyon, we gain valuable insights into the very fabric of life itself.

术语karyon指的是细胞的细胞核，这是生物学和遗传学研究中的一个重要组成部分。karyon容纳了生物体的遗传物质，组织成染色体。在karyon内部，DNA被储存和保护，从而允许细胞功能的适当调节以及在细胞分裂期间遗传信息的传递。理解karyon的结构和功能对于理解性状是如何遗传的以及细胞如何对环境作出反应至关重要。在真核生物中，karyon被称为核膜的双层膜包围，这种膜用于将细胞核的内容物与细胞质分开。这种分离是至关重要的，因为它允许转录和复制等复杂过程在受控环境中进行。核膜包含孔道，调节karyon与细胞其他部分之间的物质交换，确保必要的蛋白质和RNA可以根据需要进出。在karyon内部，核仁是另一个重要结构，在这里合成并组装核糖体RNA与蛋白质，形成核糖体。核糖体对于蛋白质合成至关重要，这对细胞的生长、修复和功能都是必不可少的。核仁在karyon内的存在突显了支持细胞生命的复杂机制。此外，karyon在细胞分裂过程中也发挥着关键作用，如有丝分裂和减数分裂。在有丝分裂过程中，karyon内的遗传物质被复制并均匀分配到两个子细胞中，确保每个新细胞都具有与原始细胞相同的遗传信息。在减数分裂中，这是性繁殖的关键，karyon经历两轮分裂，产生的配子含有一半的染色体数量。这种减少对于维持物种的染色体数量在几代间是必不可少的。对karyon的研究超越了基础生物学；它在医学研究中具有重要意义，特别是在理解癌症等疾病方面。karyon中的异常，如DNA突变或染色体数量不规则，可能导致细胞生长失控和肿瘤形成。研究人员不断调查调节karyon功能和完整性的机制，寻求针对这些途径的治疗方法。总之，karyon是细胞生物学的基本元素，通过其在容纳遗传物质和调节细胞活动中的作用，封装了生命的本质。对karyon的透彻理解不仅增强了我们对生物过程的知识，还为医学科学和遗传学的进步打开了大门。随着我们继续探索karyon的复杂性，我们获得了对生活本质的宝贵洞察。