n. one of a group of bioamines produced in the brain and endocrine system. They include neurotransmitters like dopamine and metabolites such as the hormones epinephrine and norepinephrine.
n. one of a group of bioamines produced in the brain and endocrine system. They include neurotransmitters like dopamine and metabolites such as the hormones epinephrine and norepinephrine.