multinucleate

简明释义

英[mʌltiˈnjuːkliɪt]美[ˌmʌltiˈnuːkliət]

adj. [生物]多核的（等于 multinucleated）

英英释义

单词用法

同义词

反义词

例句

1.The result shows that the life cycle of Didymium iridis comprises a unicellular amoeboid or swarm cell stage, a multinucleate plasmodium stage and a sporulation stage.

结果表明，生活史包括单核的黏变形体或游动胞、多核的营养体原质团以及孢子形成阶段。

2.It is characterized clinically by slack skin, plaques, nodules, and histologically by granuloma with lymphoid cell infiltrate and multinucleate giant cells with loss of elastic fibers.

病理特点为皮肤的淋巴样细胞浸润及巨大的多核细胞性肉芽肿伴弹性纤维消失。

3.It is characterized clinically by slack skin, plaques, nodules, and histologically by granuloma with lymphoid cell infiltrate and multinucleate giant cells with loss of elastic fibers.

病理特点为皮肤的淋巴样细胞浸润及巨大的多核细胞性肉芽肿伴弹性纤维消失。

4.Certain fungi are multinucleate, which allows them to grow and reproduce efficiently.

某些真菌是多核的，这使它们能够高效生长和繁殖。

5.In pathology, the presence of multinucleate giant cells can indicate an inflammatory response.

在病理学中，存在多核的巨细胞可能表明一种炎症反应。

6.Researchers are studying how multinucleate cells form during development in various organisms.

研究人员正在研究各种生物在发育过程中如何形成多核细胞。

7.The muscle fibers in skeletal muscles are typically multinucleate, meaning they contain more than one nucleus.

骨骼肌中的肌肉纤维通常是多核的，这意味着它们含有多个细胞核。

8.The multinucleate nature of certain algae contributes to their unique reproductive strategies.

某些藻类的多核特性有助于它们独特的繁殖策略。

作文

In the study of biology, one of the fascinating topics is cellular structure and function. Among the various types of cells, some exhibit unique characteristics that distinguish them from others. One such characteristic is being multinucleate, which means having multiple nuclei within a single cell. This feature can be observed in several organisms and plays a crucial role in their biological processes. Understanding the significance of multinucleate cells can provide insights into their functions and the evolutionary advantages they offer.To begin with, let us explore what it means to be multinucleate. In simple terms, a multinucleate cell contains more than one nucleus. This condition can arise in various ways, such as through the fusion of individual cells or by repeated mitotic divisions without cytokinesis, the process where the cytoplasm divides. A classic example of multinucleate cells is found in skeletal muscle fibers, which are formed by the fusion of myoblasts during development. Each muscle fiber is a long, cylindrical cell containing hundreds of nuclei, allowing for efficient coordination of muscle contraction.The presence of multiple nuclei in multinucleate cells offers several advantages. For instance, in skeletal muscle, having many nuclei enables the cell to produce proteins and manage metabolic processes more effectively. This is particularly important because muscle cells require a significant amount of energy and resources to function properly. More nuclei mean that the cell can respond quickly to the demands of exercise or physical activity, thus enhancing performance and endurance.Another example of multinucleate cells can be found in certain fungi, such as slime molds. These organisms can exist as a large, single cell with numerous nuclei, which allows them to efficiently coordinate their activities across a vast area. The multinucleate nature of these cells enables them to respond rapidly to environmental changes and optimize resource utilization. This adaptability is crucial for survival in diverse habitats, highlighting the evolutionary significance of multinucleate cells.In addition to muscle fibers and fungi, multinucleate cells are also present in some types of plant tissues, particularly in the formation of certain structures like the endosperm. The endosperm is a tissue that nourishes the developing embryo in seeds and is often multinucleate to facilitate rapid growth and development. The presence of multiple nuclei in this context ensures that the plant can efficiently manage nutrient storage and distribution during critical growth phases.Despite the advantages of being multinucleate, there are also challenges associated with this cellular structure. For instance, maintaining the proper functioning of multiple nuclei requires sophisticated regulatory mechanisms. If these mechanisms fail, it can lead to issues such as uncontrolled cell growth, which is often seen in cancerous cells. Therefore, while multinucleate cells can be beneficial, they also necessitate careful control to prevent detrimental outcomes.In conclusion, the concept of multinucleate cells is a fascinating aspect of cellular biology that illustrates the diversity of life forms and their adaptations. From skeletal muscles to fungi and plants, the ability to have multiple nuclei within a single cell provides numerous advantages, including enhanced efficiency and adaptability. However, this complexity also highlights the importance of regulatory mechanisms to maintain cellular health. By studying multinucleate cells, researchers can gain valuable insights into both normal biological processes and the underlying causes of diseases, paving the way for advancements in medical science and biotechnology.

在生物学研究中，一个迷人的主题是细胞结构和功能。在各种类型的细胞中，有些表现出独特的特征，使它们与其他细胞区分开来。其中一个特征是“多核细胞”，意思是一个细胞内有多个细胞核。这种特征可以在几种生物体中观察到，并在其生物过程中发挥重要作用。理解多核细胞的意义可以为我们提供有关其功能及其所提供的进化优势的见解。首先，让我们探讨什么是多核细胞。简单来说，多核细胞包含多个细胞核。这种情况可以通过多种方式产生，例如，通过单个细胞的融合或通过重复的有丝分裂而不进行细胞质分裂，即细胞质分裂的过程。多核细胞的经典例子可以在骨骼肌纤维中找到，这些纤维是在发育过程中由肌母细胞的融合形成的。每个肌肉纤维都是一个长柱状细胞，含有数百个细胞核，从而有效地协调肌肉收缩。在多核细胞中存在多个细胞核提供了几个优势。例如，在骨骼肌中，拥有许多细胞核使细胞能够更有效地生产蛋白质和管理代谢过程。这一点尤为重要，因为肌肉细胞需要大量的能量和资源才能正常运作。更多的细胞核意味着细胞能够快速响应运动或身体活动的需求，从而提高表现和耐力。另一个多核细胞的例子可以在某些真菌中找到，例如粘菌。这些生物可以作为一个大型单细胞存在，具有众多细胞核，这使它们能够有效地协调跨越广泛区域的活动。这些细胞的多核特性使它们能够快速响应环境变化并优化资源利用。这种适应能力对在多样化栖息地中的生存至关重要，突显了多核细胞的进化意义。除了肌肉纤维和真菌，某些植物组织中也存在多核细胞，特别是在某些结构的形成中，如胚乳。胚乳是一种在种子中滋养发育胚胎的组织，通常是多核细胞，以促进快速生长和发育。在这种情况下，多个细胞核的存在确保植物在关键生长阶段能够有效管理营养储存和分配。尽管拥有多个细胞核的多核细胞有其优势，但与这种细胞结构相关的挑战也不少。例如，维持多个细胞核的正常功能需要复杂的调节机制。如果这些机制失效，可能会导致诸如不受控制的细胞生长等问题，这通常在癌细胞中看到。因此，尽管多核细胞可以带来好处，但它们也需要仔细控制以防止不良后果。总之，多核细胞的概念是细胞生物学的一个迷人方面，展示了生命形式的多样性及其适应性。从骨骼肌到真菌和植物，单个细胞内具有多个细胞核的能力提供了许多优势，包括增强的效率和适应性。然而，这种复杂性也突显了维持细胞健康的调节机制的重要性。通过研究多核细胞，研究人员可以获得对正常生物过程和疾病根本原因的宝贵见解，为医学科学和生物技术的进步铺平道路。