,Number of EdU/Sox2 double positive cells in 0.01 mm2 (50 um by 200um),,,,,,,,,,,, ,Injured areas,,,,,Noninjured areas,,,,,,, ,utr1,utr2,utr3,utr4,,utr1,utr1,utr2,utr2,utr3,utr3,utr4,utr4 EdU-positive cells,26,27,45,31,,4,1,7,1,1,0,4,1