urine catecholamine amount urine epinephrine amount 2013-10-07T04:12:15Z The proportion, quantity, or volume in the urine of this catecholamine hormone that stimulates the adrenergic receptors and that causes systemic vasoconstriction and gastrointestinal relaxation, stimulates the heart, and dilates bronchi and cerebral vessels. Trait.ontology VT:0010576 caripark