The stimulation of beta-adrenergic receptors by macusine B.
D000470:Alkaloids / Q000494:pharmacology*; D000818:Animals; D004336:Drug Antagonism; D004983:Ethanolamines / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects*; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology*; D051379:Mice; D009119:Muscle Contraction / Q000187:drug effects*; D010946:Plants, Medicinal; D011817:Rabbits; D011984:Sensory Receptor Cells / Q000187:drug effects*; D013565:Sympatholytics / Q000494:pharmacology*
D000470:Alkaloids; D004983:Ethanolamines; D013565:Sympatholytics; D007545:Isoproterenol