anucleate cell

简明释义

无核细胞

英英释义

例句

1.The absence of a nucleus in an anucleate cell (无核细胞) allows for more space to carry hemoglobin.

在无核细胞（anucleate cell）中缺乏细胞核使得携带血红蛋白的空间更大。

2.In certain medical conditions, the production of anucleate cells (无核细胞) may be affected.

在某些医疗条件下，无核细胞（anucleate cells）的产生可能会受到影响。

3.Platelets, which are essential for blood clotting, are also classified as anucleate cells (无核细胞).

血小板是血液凝固所必需的，也被归类为无核细胞（anucleate cells）。

4.Red blood cells are a classic example of an anucleate cell (无核细胞) that carries oxygen throughout the body.

红血球是一个经典的无核细胞（anucleate cell）例子，负责在全身输送氧气。

5.Research on anucleate cells (无核细胞) helps scientists understand the evolution of cellular structures.

对无核细胞（anucleate cells）的研究帮助科学家理解细胞结构的演化。

作文

In the realm of cellular biology, the term anucleate cell refers to a type of cell that lacks a nucleus. This absence of a nucleus is a defining characteristic of certain specialized cells in various organisms. Understanding the structure and function of anucleate cells is essential for grasping the complexities of biological systems. For instance, red blood cells in mammals are classic examples of anucleate cells. During their maturation process, these cells lose their nuclei to maximize space for hemoglobin, the protein responsible for oxygen transport. This adaptation allows them to efficiently carry oxygen throughout the body, highlighting the evolutionary significance of anucleate cells in enhancing respiratory efficiency.The lack of a nucleus in anucleate cells also impacts their lifespan and functionality. Red blood cells, for example, have a limited lifespan of about 120 days. Without a nucleus, they cannot synthesize new proteins or repair themselves, which ultimately leads to their eventual degradation and removal from circulation by the spleen. This unique feature raises intriguing questions about the trade-offs between cellular specialization and longevity, as well as the implications for overall organismal health.Moreover, the study of anucleate cells extends beyond human biology. In plants, certain types of sieve elements, which are involved in the transport of nutrients, also exhibit anucleate characteristics. These cells lose their nuclei at maturity, allowing for more efficient flow of substances through the plant's vascular system. This parallel between plant and animal anucleate cells underscores a fascinating aspect of evolution: similar solutions to similar challenges in different life forms.Research on anucleate cells has significant implications for medical science as well. Understanding how these cells function can lead to advancements in regenerative medicine and blood transfusion practices. For instance, scientists are exploring ways to create artificial red blood cells that mimic the properties of natural anucleate cells. Such innovations could address shortages in blood supply and improve treatment options for patients with anemia or other blood-related disorders.In conclusion, the concept of anucleate cells presents a compelling intersection of biology, evolution, and medicine. By examining the role and significance of these cells, we gain insights into the adaptability of life forms and the intricate balance between specialization and survival. As research continues to unveil the mysteries surrounding anucleate cells, we can anticipate exciting developments that may transform our understanding of cellular function and therapeutic applications in the future.

在细胞生物学领域，术语无核细胞指的是一种缺乏细胞核的细胞。这种缺乏细胞核的特征是某些特殊细胞在不同生物体中的定义特征。理解无核细胞的结构和功能对于掌握生物系统的复杂性至关重要。例如，哺乳动物的红血球就是无核细胞的经典例子。在其成熟过程中，这些细胞失去了细胞核，以最大限度地为血红蛋白腾出空间，血红蛋白是负责氧气运输的蛋白质。这一适应使它们能够有效地将氧气输送到全身，突显了无核细胞在增强呼吸效率方面的进化意义。无核细胞中缺乏细胞核还影响其生命周期和功能。例如，红血细胞的寿命大约为120天。由于没有细胞核，它们无法合成新蛋白质或自我修复，这最终导致它们的降解并被脾脏从循环中去除。这一独特特征引发了关于细胞专业化与长寿之间权衡的有趣问题，以及对整体生物体健康的影响。此外，对无核细胞的研究不仅限于人类生物学。在植物中，某些类型的筛管元素也表现出无核特征，这些元素参与营养物质的运输。这些细胞在成熟时失去细胞核，从而允许植物的维管系统中物质的更高效流动。这种植物和动物的无核细胞之间的相似性强调了进化的一个迷人方面：不同生命形式在面对相似挑战时采取的相似解决方案。对无核细胞的研究在医学科学中也具有重要意义。理解这些细胞的功能可以推动再生医学和输血实践的进步。例如，科学家们正在探索创造人工红血细胞的方法，以模仿天然无核细胞的特性。这些创新可能解决血液供应短缺的问题，并改善贫血或其他血液相关疾病患者的治疗选择。总之，无核细胞的概念呈现出生物学、进化和医学的引人注目的交汇点。通过研究这些细胞的角色和重要性，我们获得了对生命形式适应性的深入了解，以及专业化与生存之间微妙的平衡。随着研究继续揭示围绕无核细胞的奥秘，我们可以期待一些激动人心的发展，这些发展可能会改变我们对细胞功能和未来治疗应用的理解。