Fig. 1From: The osteogenic inducing potential of platelet-rich fibrin on stem cells derived from bone marrow and oral mucosaPhotomicrograph of isolated BM-MSCs (scale bar 50 μ) a Single cells were apparent by day 3 and appeared as spindle fibroblast like in appearance, b cells started to increase in number and form colonies, c several colonies (black arrows) appeared to increase in size and fuse together, d cells at 70% confluence. (Scale bar 50 µm)Back to article page