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Characteristics of epidermal neural crest stem cell (EPI-NCSC) and phase contrast microscopy. (A) Explants 20 h after onset of EPI-NCSC emigration. Migratory cells are present on the collagen substratum; (B) colony formation; (C) proliferation and expanded EPI-NCSC and (D) EPI-NCSC were labeled with BrdU prior to transplantation. Arrow shows the bulge (scale bar = 200 µm).
