the effects of adrenaline on human muscle are due to stimulation of beta-adrenotropic receptors , for they are abolished by the beta-adrenotropic antagonist dl-propranolol ( but not by d-propranolol ) , and are mimicked by isoprenaline but not by noradrenaline.6 .
C0014563
adrenaline
C0028351
noradrenaline