Fig. 6
Optical microscopy of alginate microcapsules with mesenchymal stem cells derived from equine synovial membrane (MSCSM) at 7 and 21 days stained with toluidine blue, objective of 10 and 40×. a and b 7 days, rounded cell shape is observed, the arrows indicate the presence of gaps; c and d 21 days, more cells are observed, the arrows show the deposition of the proteoglycan matrix