Fig. 2From: The expansion of autologous adipose-derived stem cells in vitro for the functional reconstruction of nasal mucosal tissueCharacterization of ADSCs. Adipogenic differentiation of ADSCs was assessed by Oil Red O staining. The arrow indicates a lipid droplet. The osteogenic ability of the ADSCs was assessed using Alizarin red staining. The arrow shows a calcium nodule. Magnification: ×400 (a) and ×400 (b)Back to article page