Epidermal stem cells adhered quickly to the plastic dish in 20 minutes, however transit amplifying cells could not adhere to the dish in 60 minutes.

• 表皮干细胞对IV型胶原的粘附作用比暂时放大细胞强，在涂有10opg/ml的rV型胶原的培养板内，表皮干细胞在 20min内即可粘附，而暂时放大细胞粘附需60min以上。