pleomorphism

简明释义

英[ˌpliːə(ʊ)ˈmɔːfɪz(ə)m]美[ˌpliəˈmɔrˌfɪzəm]

n. 多形性；[生物] 多型现象；同质多晶

英英释义

单词用法

同义词

反义词

例句

1.At high magnification, the neoplastic glands of adenocarcinoma have crowded nuclei with hyperchromatism and pleomorphism.

高倍镜下腺癌腺体见大量密集深染异型性明显的细胞核。

2.Marked cell pleomorphism arranged irregularly, like a disordered stone pavement;

细胞重度多形性，排列紊乱，似乱石铺堆；

3.Here is an adrenal cortical carcinoma seen microscopically at high power to demonstrate cellular pleomorphism with nuclear hyperchromatism.

高倍镜下的肾上腺皮质癌，显示细胞的多形性、细胞核染色过深。

4.Instead, rows of infiltrating neoplastic cells with marked pleomorphism are seen.

相反，可见异型性明显的的肿瘤细胞的成行排列。

5.However the neoplastic cells show pleomorphism with hyperchromatic nuclei.

肿瘤细胞的多形性明显，细胞核深染。

6.However, the neoplastic cells show pleomorphism, with hyperchromatic nuclei.

肿瘤细胞的多形性明显，细胞核深染。

7.Certain fungi exhibit pleomorphism, showing different forms at various life stages.

某些真菌表现出多态性，在不同的生命周期阶段显示出不同的形态。

8.In microbiology, the concept of pleomorphism refers to the ability of some bacteria to alter their shape and size in response to environmental conditions.

在微生物学中，多态性的概念是指某些细菌能够根据环境条件改变其形状和大小。

9.The pleomorphism observed in certain algae is a fascinating area of research.

某些藻类中观察到的多态性是一个引人入胜的研究领域。

10.Understanding the pleomorphism of viruses can help in developing effective vaccines.

理解病毒的多态性有助于开发有效的疫苗。

11.The study of pleomorphism in cancer cells can provide insights into tumor behavior and treatment resistance.

对癌细胞中多态性的研究可以提供肿瘤行为和治疗抵抗的见解。

作文

In the realm of biology, the concept of pleomorphism refers to the ability of some organisms to exhibit different forms or stages in their life cycle. This fascinating phenomenon is particularly evident in certain bacteria, fungi, and even some plants and animals. The term itself is derived from the Greek words 'pleo,' meaning 'more,' and 'morphe,' meaning 'form.' Thus, pleomorphism essentially denotes the existence of multiple forms within a single species or organism.Understanding pleomorphism is crucial for several reasons. Firstly, it highlights the adaptability of organisms to their environment. For example, some bacteria can change their shape and size in response to environmental stresses, such as changes in temperature, pH, or nutrient availability. This adaptability can enhance their survival and reproductive success. In essence, pleomorphism allows these organisms to thrive in diverse conditions, showcasing the incredible resilience of life.Moreover, pleomorphism plays a significant role in the field of microbiology and medicine. Certain pathogenic bacteria exhibit pleomorphism, which can complicate diagnosis and treatment. For instance, the bacterium Mycobacterium tuberculosis, responsible for tuberculosis, can exist in various forms, making it challenging for medical professionals to identify and treat infections effectively. Understanding the pleomorphism of such pathogens can lead to better diagnostic tools and therapeutic strategies, ultimately improving patient outcomes.In addition to its implications in health and disease, pleomorphism also has ecological significance. Different forms of a species may occupy various ecological niches, allowing them to exploit different resources and reduce competition. For instance, certain insects may have different morphs that enable them to adapt to distinct habitats or food sources. This diversity within a species can enhance ecosystem stability and resilience, as it allows for a broader range of interactions among organisms.Furthermore, pleomorphism is not limited to the biological sciences. The concept has also found its way into other fields, such as materials science and computer graphics. In materials science, pleomorphism can refer to the ability of a substance to exist in multiple crystal structures, affecting its properties and applications. In computer graphics, pleomorphism can describe the ability of objects to take on various forms or representations, enhancing the flexibility and creativity of digital design.In conclusion, pleomorphism is a multifaceted concept that spans various disciplines, from biology to materials science. Its implications are profound, influencing our understanding of adaptability, health, ecology, and technology. By studying pleomorphism, we gain insights into the complexity of life and the intricate relationships that exist within ecosystems. As we continue to explore this fascinating phenomenon, we unlock new knowledge that can benefit both science and society as a whole.Overall, the study of pleomorphism not only enriches our understanding of the natural world but also inspires innovation and progress in various fields. It serves as a reminder of the beauty of diversity and the importance of adaptability in the face of change.

在生物学领域，pleomorphism这个概念指的是某些生物在其生命周期中表现出不同形态或阶段的能力。这种迷人的现象在某些细菌、真菌，甚至一些植物和动物中尤为明显。这个术语本身源自希腊语词汇“pleo”，意为“更多”，以及“morphe”，意为“形态”。因此，pleomorphism基本上表示一个物种或生物体内存在多种形式。理解pleomorphism至关重要，原因有很多。首先，它突出了生物对环境的适应能力。例如，一些细菌可以根据环境压力（如温度、pH值或养分可用性变化）改变其形状和大小。这种适应性可以增强它们的生存和繁殖成功。实际上，pleomorphism使这些生物能够在多样的条件下生存，展示了生命的惊人韧性。此外，pleomorphism在微生物学和医学领域也发挥着重要作用。某些致病细菌表现出pleomorphism，这可能会使诊断和治疗变得复杂。例如，引起结核病的细菌结核分枝杆菌可以以多种形式存在，这使得医疗专业人员有效识别和治疗感染具有挑战性。了解这种病原体的pleomorphism可以导致更好的诊断工具和治疗策略，从而最终改善患者的结果。除了在健康和疾病中的影响外，pleomorphism在生态学上也具有重要意义。物种的不同形态可能占据不同的生态位，使它们能够利用不同的资源并减少竞争。例如，某些昆虫可能有不同的形态，使它们能够适应不同的栖息地或食物来源。这种物种内部的多样性可以增强生态系统的稳定性和韧性，因为它允许生物之间更广泛的相互作用。此外，pleomorphism并不限于生物科学。这个概念也已进入其他领域，如材料科学和计算机图形学。在材料科学中，pleomorphism可以指一种物质存在于多种晶体结构中的能力，这影响其性质和应用。在计算机图形学中，pleomorphism可以描述对象能够采用各种形式或表示的能力，从而增强数字设计的灵活性和创造力。总之，pleomorphism是一个跨越多个学科的多面概念，从生物学到材料科学。它的影响深远，影响我们对适应性、健康、生态和技术的理解。通过研究pleomorphism，我们获得了对生命复杂性的洞察以及生态系统内部存在的错综复杂的关系。随着我们继续探索这一迷人的现象，我们解锁了新的知识，这些知识可以惠及科学和整个社会。总体而言，研究pleomorphism不仅丰富了我们对自然世界的理解，还激发了各个领域的创新和进步。它提醒我们多样性的美丽以及在变化面前适应能力的重要性。