The untransformed cell.
D000818:Animals; D000911:Antibodies, Monoclonal; D001940:Breast / Q000166:cytology; D002454:Cell Differentiation; D002471:Cell Transformation, Neoplastic; D002472:Cell Transformation, Viral; D002478:Cells, Cultured; D004847:Epithelial Cells; D005347:Fibroblasts / Q000166:cytology; D006801:Humans; D008892:Milk / Q000166:cytology
D000911:Antibodies, Monoclonal