in the liver of perinatal rats or mice , the ratio of 2,3,7,8-tetrachlorodibenzo-p-dioxin-induced aryl hydrocarbon hydroxylase to total cytochrome p-450 content decreases , whereas the ratio of 2,3,7,8-tetrachlorodibenzo-p-dioxin-induced acetanilide 4-hydroxylase to total cytochrome p-450 content increases , between 18 or 19 days and 22 days following conception .
C0010762
p
C0003927
aryl hydrocarbon hydroxylase