Fig. 3From: A unique heterologous fibrin sealant (HFS) as a candidate biological scaffold for mesenchymal stem cells in osteoporotic ratsDifferentiation assay of MSCs for osteogenic lineage. a Positive response to osteogenic differentiation assay. Note the calcium deposits stained with alizarin red. b Control assay differentiation cultured in basal medium. MSCs mesenchymal stem cells. Bar: 200 μmBack to article page