Adjective
catecholaminergic (not comparable)
(medicine) That is activated by, or that secretes catecholamines.
Amphetamine and methamphetamine are indirect agonists of the catecholaminergic systems. Source: Internet
They occur in some red human hair. citation Neuromelanin Neuromelanin (NM) is a dark polymer pigment produced in specific populations of catecholaminergic neurons in the brain. Source: Internet