in the urethane-anaesthetized rat , increasing 5-hydroxytryptaminergic receptor activity or functional 5-ht in brain with either the specific inhibitors of 5-ht reuptake ( e.g . fluoxetine and chlorimipramine ) or the 5-ht itself greatly reduced the reflex bradycardia induced by the systemically administered adrenaline .
C0428977
bradycardia
C0014563
adrenaline