Unna staining

例句：

1. 1. The pathologist used Unna staining to identify the presence of bacteria in the tissue samples.
   病理学家使用乌纳染色法来鉴定组织样本中的细菌存在。
2. 2.In this study, we applied Unna staining to analyze the distribution of lipids in the brain tissue.
   在这项研究中，我们应用了乌纳染色法来分析大脑组织中脂质的分布情况。
3. 3.The results of the Unna staining were consistent with those obtained by other methods.
   乌纳染色的结果与其他方法得到的结果是一致的。