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Fig. 7. Three multipotent dermal fibroblast clones exhibit trilineage potential: Clone 96A14, 96A29 and 96A33. (Left panel) Oil Red O staining after 3 weeks of adipogenic induction (upper-right corner, high magnification of one positive cell). (Middle panel) Type II collagen staining after 3 weeks of chondrogenic induction (upper-right corner, cell pellet). Red arrow shows the typical lacuna structure. (Right panel) Alizarin Red staining after 4 weeks of osteogenic induction (upper-right corner, alkaline phosphatase staining). Bars, 100 µm.