endothelial cell growth supplement ( ecgs ) , an extract of bovine neural tissue with growth-promoting properties for human endothelial and epithelial cells and for mouse balb/c fibroblast-like cells , can be substituted for feeder cells in a quantitative 7-day syrian hamster embryo cell colony in vitro model of carcinogenesis .
C0225336
endothelial cell
C0014257
endothelial