Fig. 4From: Morphological and molecular characterization of the human breast epithelial cell line M13SV1 and its tumorigenic derivatives M13SV1-R2-2 and M13SV1-R2-N1Phase-contrast microscopy. Pictures of the three cell lines as indicated above the pictures grown either in 2D culture (a–c) or in 3D culture (d–f; day eleven after seeding)Back to article page