Gramr s staining

• 革兰染色

Gramr s staining的用法和样例：

例句

1. Before preservation, corneas were checked for corneal thickness, morphology, staining of trypan blue and density of endothelium.
   保存前测角膜厚度，观察内皮细胞形态，内皮细胞计数，台盼兰染色。