metachromatic stain

简明释义

异染性染料

英英释义

例句

1.The laboratory technician prepared the slides with a metachromatic stain to observe the cellular components more clearly.

实验室技术员用变色染色准备了载玻片，以更清晰地观察细胞成分。

2.Using a metachromatic stain, the pathologist was able to differentiate between various cell types in the biopsy.

通过使用变色染色，病理学家能够区分活检中的各种细胞类型。

3.In his research, he found that the metachromatic stain was effective for visualizing certain types of bacteria.

在他的研究中，他发现变色染色对可视化某些类型的细菌非常有效。

4.The metachromatic stain revealed the intricate structures of the nervous tissue under the microscope.

在显微镜下，变色染色揭示了神经组织的复杂结构。

5.The histologist used a metachromatic stain to highlight the presence of mast cells in the tissue sample.

组织学家使用了变色染色来突出组织样本中肥大细胞的存在。

作文

In the field of histology and microbiology, the use of stains is crucial for visualizing different structures within cells and tissues. One particularly interesting type of stain is the metachromatic stain, which has unique properties that allow it to highlight specific components of biological specimens. The term 'metachromatic' refers to the ability of certain dyes to change color when they bind to particular substances. This phenomenon occurs due to the interaction between the dye molecules and the cellular components, leading to a shift in the wavelength of light absorbed and emitted by the dye. As a result, the stained areas can appear in a different color than the dye itself, providing a clear contrast against the surrounding tissue. The metachromatic stain is especially useful for identifying substances such as mucins, glycosaminoglycans, and certain types of proteins. For example, toluidine blue O is a commonly used metachromatic stain that can differentiate between various tissue types based on their chemical composition. When applied to sections of tissue, this stain can reveal the presence of mast cells, which are abundant in tissues involved in allergic reactions and inflammation. The metachromatic properties of toluidine blue O allow researchers to visualize these cells effectively, as they will appear in a different color compared to the surrounding tissues. Understanding how metachromatic stains work is essential for students and professionals in the fields of biology and medicine. The ability to accurately identify and differentiate cellular components can lead to better diagnoses and improved understanding of various diseases. For instance, in cancer research, metachromatic stains can help identify tumor markers and assess the aggressiveness of tumors based on their staining characteristics. This information can be critical for determining the most effective treatment strategies for patients. Moreover, the application of metachromatic stains extends beyond histological studies. In microbiology, these stains can be employed to detect and visualize bacteria and fungi in clinical samples. Certain pathogens exhibit metachromatic properties, allowing for their identification through specific staining techniques. By enhancing the visibility of these microorganisms, clinicians can make more informed decisions regarding patient care and treatment options. In conclusion, the metachromatic stain serves as a powerful tool in both histology and microbiology. Its unique ability to change color upon binding to specific cellular components allows for enhanced visualization and differentiation of tissues and microorganisms. As research continues to advance, the importance of understanding and utilizing metachromatic stains will remain significant in the quest for better health outcomes and scientific discoveries. Through continued exploration and application of these staining techniques, the fields of biology and medicine will undoubtedly benefit from the insights gained in understanding complex biological systems.

在组织学和微生物学领域，染色剂的使用对于可视化细胞和组织中的不同结构至关重要。其中一种特别有趣的染色剂是变色染料，它具有独特的特性，可以突出生物样本中的特定组成部分。术语“变色”指的是某些染料在与特定物质结合时改变颜色的能力。这种现象是由于染料分子与细胞成分之间的相互作用，导致染料吸收和发射的光波长发生变化。因此，染色区域可能呈现出与染料本身不同的颜色，为周围组织提供了清晰的对比。变色染料尤其适用于识别粘蛋白、糖胺聚糖和某些类型的蛋白质等物质。例如，蓝色托烯染料是一种常用的变色染料，可以根据其化学成分区分不同的组织类型。当应用于组织切片时，这种染料可以揭示肥大细胞的存在，这些细胞在参与过敏反应和炎症的组织中丰富。蓝色托烯染料的变色特性使研究人员能够有效地可视化这些细胞，因为它们会呈现出与周围组织不同的颜色。理解变色染料的工作原理对于生物学和医学领域的学生和专业人士至关重要。准确识别和区分细胞成分的能力可以导致更好的诊断和对各种疾病的更深入理解。例如，在癌症研究中，变色染料可以帮助识别肿瘤标志物，并根据其染色特征评估肿瘤的侵袭性。这些信息对于确定患者最有效的治疗策略至关重要。此外，变色染料的应用超越了组织学研究。在微生物学中，这些染料可以用于检测和可视化临床样本中的细菌和真菌。某些病原体表现出变色特性，允许通过特定的染色技术进行识别。通过增强这些微生物的可见性，临床医生可以在患者护理和治疗选择上做出更明智的决策。总之，变色染料作为组织学和微生物学中的一种强大工具。它独特的在与特定细胞成分结合时改变颜色的能力，使得组织和微生物的可视化和区分得以增强。随着研究的不断推进，了解和利用变色染料的重要性在追求更好的健康结果和科学发现的过程中将继续显著。通过对这些染色技术的持续探索和应用，生物学和医学领域无疑将从对复杂生物系统的理解中受益。