Morphology and cell density of SHED and HFSCs cultured in different media combinations.

The cell morphology of SHED and HFSCs in the media combinations; DMEM-KO+10% FBS, STK2+2% FBS+STK2 at Day 3 of passage 3, observed under 10× magnification. *A- elongated spindle shape, B-short round shape, +-low cell density, ++- moderate cell density, +++- high cell density.