[Inequality of numbers of cells passing daily from S phase into G2 and from G2 into mitosis for a population of young mouse hepatocytes].

The formulas are proposed which allow to verify the equality of the diurnal streams of cells from one to another phase of mitotic cycle for systems with the diurnal rythm of mitotic index. The unequality of the diurnal stream of cells from S into G2 phase and the diurnal streams from G2 into M phase for hepatocytes of 3-weeks old mice is assumed to be caused by the passage of about 75 percent of cells from G2 phase directly to the resting phase R1. Part of these cells may then return from R1 to G1 phase.