title: Evidence for tryptamine receptors on cardiac sympathetic nerves [proceedings].
mesh_terms: D000320:Adrenergic Fibers / Q000502:physiology*; D000818:Animals; D002799:Cholinergic Fibers / Q000502:physiology; D006168:Guinea Pigs; D006321:Heart / Q000294:innervation*; D007082:Ileum / Q000294:innervation; D011817:Rabbits; D011985:Receptors, Serotonin / Q000502:physiology
chemical_list: D011985:Receptors, Serotonin