there was a significant difference in brain weight , but there were no significant differences between the control and barbital-treated rats in the frontal cortical concentrations of noradrenaline ( na ) , dopamine ( da ) , 5-hydroxytryptamine ( 5-ht ) and 5-hydroxyindoleacetic acid ( 5-hiaa ) , nor in the intra- and extrasynaptosomal activities of cerebral cortical monoamine oxidase towards na and 5-ht .
C0006104
brain
C0086045
concentrations