the effects of progestins and glucocorticoids on cellular proliferation were examined in the uterus of 5-day-old mice by monitoring either the labeling index ( li ) after exposure to [ methyl-3h ] thymidine ( [ 3h ] tdr ) in vivo or the mitotic index ( mi ) after colchicine-induced arrest of cells in metaphase .
C0007634
the
C0025564
metaphase