catecholamine metabolic pathway biogenic amine biosynthetic pathway catecholamine biosynthetic pathway 2013-05-08T08:33:31Z Catecholamine biosynthesis PW:0001235 Those metabolic reactions involved in the synthesis of catecholamines. Epinephrine, norepinephrine and dopamine are among the most abundant and are produced primarily from the adrenal medulla and the postganglionic fibers of the sympathetic nervous system. catecholamine biosynthetic process pathway vpetri