細胞角蛋白
One showed epithelial morphological features as well as marginal cell ultrostructure characterization, and expressed cytokeratin. 前者呈典型的上皮細胞形態(tài)，表達細胞角蛋白，并具血管紋邊緣細胞的超微結(jié)構(gòu)特征。
