Fig. 2From: The effect of hypoxia on chondrogenesis of equine synovial membrane-derived and bone marrow-derived mesenchymal stem cellsPhotomicrographs of BM-MSC and SM-MSC pellets cultured in normoxic (21% O2) and hypoxic (5% O2) conditions for 28 days. Pellets were stained with H&E and toluidine blue (scale bar = 100 μm)Back to article page