Rat BMSCs differentiation into osteoblasts or adipocytes. (A) Control (200×); (B) Alizarin Red stained the cells of the control group after 21 days (200×); (C) Differentiation of MSCs into osteoblasts and detection of calcium deposits (mineralization) after 21 days (400×); (D) Calcium deposits stained with Alizarin red (400×); (E) Differentiation of MSCs into adipocytes and production of lipid droplets after 21 days (400×); (F) Lipid droplets stained with oil red (400×).