the catecholamines noradrenaline , dopamine , adrenaline , the indoleamine 5-hydroxy-tryptamine ( 5-ht ; serotonin ) , and some of their major metabolites were assayed , using high performance liquid chromatography ( hplc ) , in the neocortex of normal rats as well as in animals in which 5-ht synthesis had been inhibited with p-chlorophenylalanine .
C0007412
catecholamines
C0013030
dopamine