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Extracellular matrix organization of scaffolds with monocultures of hMSCs (M1, M2, O1, O2) and cocultures of hMSCs with HUVECs (MH, OH, and OMH) imaged via SEM. Magnification 2000×, scale bar is 30 μm and applies for all images. Note the absence of the matrix and the lack of any mineralization on the scaffolds with endothelial cells (H) although cells are still present on the PCL fibers.
