Answer: catecholamines

AnswerCrossword Clue
catecholaminesAny of a class of aromatic amines that includes a number of neurotransmitters such as epinephrine and dopamine
catecholaminesCATECHOLAMINE, any of various amines, such as epinephrine, norepinephrine, and dopamine, that function as hormones or neurotransmitters or both