Fig. 6From: The expansion of autologous adipose-derived stem cells in vitro for the functional reconstruction of nasal mucosal tissueEpithelial-like morphology. The ADSCs with a fusiform shape after Giemsa’s staining were used as negative controls. Immunocytochemical analysis of the differentiated cells from cobblestone-pattern clusters (arrow) showed that they were positive for CK-19. Magnification: ×40 (a) and ×400 (b). Scale bars are 100 µmBack to article page