murine skin fibroblasts have been studied in our laboratory , using different systems : ( 1 ) primary cultures isolated from peeled skins of mouse embryos , ( 2 ) mouse derms analysed in the animals , ( 3 ) cultivated explants of skins , ( 4 ) serial sub-cultures of fibroblasts isolated from these explants , ( 5 ) cells cultivated comparably on plane substrates ( glass , plastic , collagen films ) and on three-dimensional matrices ( collagen fibres ) .
C0016030
fibroblasts
C0007634
cells