however , continuous and pulse labelling of bone marrow cells with 3h-tdr , viability tests and micro flow fluorometric measurements of the cell cycle distribution following colcemid treatment strongly suggests that the cells do not proliferate in vitro during short term incubation , since practically no cells enter the s-phase , cells in the s-phase die and few if any cells proceed through g2 and mitosis .
C0007634
cells
C0026255
mitosis