a series of parameters to assess the contribution of large cytoplasmic expansions to cell morphology and to cell spreading on a planar substratum were used to quantify the visual morphologic differences between normal ( nontransformed ; n.3t3 ) and polyomavirus-transformed ( py.3t3 ) fisher rat 3t3 fibroblasts .
C0007634
cell
C0016030
fibroblasts