any of various compounds, as norepinephrine and dopamine, that are secretions, or byproducts of secretions, of the medulla of the adrenal gland and that affect the sympathetic nervous system
Word origin
catechol + amine
Examples of 'catecholamine' in a sentence
catecholamine
I'm a catecholamine man myself: it's norepinephrine which does it -- that's a breakdown of tyrosine.