pleomorphic

简明释义

英[ˌpliːəʊˈmɔːfəs]美[pliːə'mɔːfɪk]

adj. [晶体] 多形的；多晶的

英英释义

单词用法

同义词

反义词

例句

1.Objective: To evaluate the clinical feature and reason of recurrent pleomorphic adenoma of the submandibular gland.

摘要目的：评价颌下腺多形性腺瘤及其复发的临床特点及原因。

2.Results (1) Of the 24 intestinal T cell lymphoma cases, 23 were pleomorphic, medium to large cell type, and one cases was small cell type;

结果（1）24例肠道T细胞淋巴瘤，23 例为多形细胞，中等至大细胞性，1 例为小细胞性；

3.Results Among 298 cases, pleomorphic adenomas was the most common, followed by adenoid cystic carcinoma, pleomorphic adenocarcinoma, adenocarcinoma and other type.

结果298例肿瘤中，最常见的为泪腺多形性腺瘤，其它依次为腺样囊腺癌，腺癌，多形性腺癌及其它泪腺少见肿瘤。

4.Methods Clinical data of 8 patients, average age being 23.7 years old, with pleomorphic xanthoastrocytoma were analyzed retrospectively.

方法回顾8例多形性黄色瘤型星形细胞瘤病人的临床资料。 病人平均年龄23.7岁，肿瘤均位于大脑半球。

5.One year after the surgery there was a similar lesion developed on her abdomen wall , and the histopathology also showed a pleomorphic fibroma.

术后约一年有一类似病灶出现在腹部，切除后病理组织检查亦显示是一多形性纤维瘤。

6.Conclusions Fine needle aspiration biopsy may be the routine examination of pleomorphic adenoma of salivary gland. The first operation is the key of therapy.

结论细针抽吸细胞学活检可作为涎腺多形性腺瘤的常规术前检查，治疗的成功与否关键在于第一次的手术方式。

7.Pleomorphic pattern : The aspirate is richly cellular and there is a marked variation in cell size and shape.

多形性形态：抽吸（aspirate）完全是细胞的，并且在细胞尺寸与形状上有非常大的差异。

8.The bacteria in this sample are pleomorphic, exhibiting various shapes and sizes.

这个样本中的细菌是多态性的，表现出不同的形状和大小。

9.In histology, we often encounter pleomorphic cells that can indicate malignancy.

在组织学中，我们经常遇到多态性细胞，这可能表明恶性肿瘤。

10.The pleomorphic nature of the virus makes it challenging to develop a vaccine.

该病毒的多态性特征使得开发疫苗变得具有挑战性。

11.Researchers are studying the pleomorphic characteristics of certain fungi.

研究人员正在研究某些真菌的多态性特征。

12.Some cancer types are known for their pleomorphic tumor cells, which complicate treatment.

一些癌症类型以其多态性肿瘤细胞而闻名，这使得治疗更加复杂。

作文

In the world of biology, the term pleomorphic refers to the ability of certain organisms or cells to alter their shape or size in response to environmental conditions. This characteristic is particularly significant in the study of bacteria and cancer cells. For instance, many pathogenic bacteria exhibit pleomorphic behavior, allowing them to adapt to various host environments, thereby enhancing their survival and virulence. This adaptability can complicate treatment options, as the changing forms of these bacteria may evade the immune system or resist antibiotics. Moreover, the concept of pleomorphic extends beyond microbiology. In oncology, cancer cells often display pleomorphic characteristics, which can be indicative of aggressive tumor behavior. The variability in shape and size among cancer cells can lead to heterogeneous populations within a tumor, making it challenging for medical professionals to devise effective treatment strategies. Understanding the pleomorphic nature of these cells is crucial for developing targeted therapies that can tackle the diverse manifestations of cancer. The implications of pleomorphic traits are not limited to health sciences; they also resonate in the field of ecology. Certain species exhibit pleomorphic traits that allow them to exploit different ecological niches. For example, some insects can change their morphology based on the availability of resources, which aids in their survival and reproduction. This adaptability showcases the evolutionary advantages of pleomorphic characteristics, as organisms that can modify their form are often better equipped to handle environmental stresses. Furthermore, the study of pleomorphic organisms provides insights into evolutionary biology. By examining how organisms adapt their morphology over time, scientists can infer patterns of evolution and the mechanisms driving biodiversity. The pleomorphic nature of certain species can reveal the dynamic interplay between genetic variation and environmental pressures, shedding light on the processes that shape life on Earth. In conclusion, the term pleomorphic encapsulates a fascinating aspect of biological diversity. Whether in the context of pathogenic bacteria, cancer research, or ecological adaptation, pleomorphic characteristics underscore the importance of flexibility and resilience in living organisms. As researchers continue to explore the implications of pleomorphic traits, we gain a deeper understanding of life's complexity and the myriad ways in which organisms navigate their environments. This knowledge is not only vital for advancing scientific inquiry but also for applying these insights to real-world challenges, such as disease management and conservation efforts.

在生物学的世界中，术语pleomorphic指的是某些生物或细胞根据环境条件改变其形状或大小的能力。这一特征在细菌和癌细胞的研究中尤为重要。例如，许多致病细菌表现出pleomorphic行为，使它们能够适应各种宿主环境，从而增强其生存能力和毒力。这种适应性可能会使治疗选择变得复杂，因为这些细菌不断变化的形态可能会逃避免疫系统或对抗生素产生抵抗。 此外，pleomorphic的概念不仅限于微生物学。在肿瘤学中，癌细胞通常表现出pleomorphic特征，这可能表明肿瘤的侵袭性。癌细胞之间形状和大小的差异可能导致肿瘤内存在异质性群体，使医疗专业人员制定有效的治疗策略变得具有挑战性。理解这些细胞的pleomorphic特性对于开发能够针对癌症多样表现的靶向疗法至关重要。 pleomorphic特征的影响不仅限于健康科学；它们还在生态学领域产生共鸣。某些物种表现出pleomorphic特征，使它们能够利用不同的生态位。例如，一些昆虫可以根据资源的可用性改变其形态，这有助于它们的生存和繁殖。这种适应性展示了pleomorphic特征的进化优势，因为能够修改形态的生物通常更能够应对环境压力。 此外，研究pleomorphic生物为进化生物学提供了见解。通过检查生物如何随着时间的推移适应其形态，科学家们可以推断出进化模式和推动生物多样性的机制。某些物种的pleomorphic特性可以揭示遗传变异与环境压力之间的动态相互作用，阐明塑造地球生命的过程。 总之，术语pleomorphic概括了生物多样性的一个迷人方面。无论是在致病细菌、癌症研究还是生态适应的背景下，pleomorphic特征都强调了生物体灵活性和韧性的重要性。随着研究人员继续探索pleomorphic特征的影响，我们对生命复杂性的理解加深，以及生物体在其环境中导航的多种方式。这一知识不仅对推进科学研究至关重要，而且对将这些见解应用于现实世界的挑战（如疾病管理和保护工作）也至关重要。