title: Trophic role of the sympathetic innervation.
mesh_terms: D000818:Animals; D006321:Heart / Q000254:growth & development / Q000294:innervation*; D006801:Humans; D009130:Muscle, Smooth / Q000502:physiology*; D009131:Muscle, Smooth, Vascular / Q000378:metabolism / Q000502:physiology; D009206:Myocardium / Q000378:metabolism; D009638:Norepinephrine / Q000378:metabolism / Q000502:physiology; D013562:Sympathectomy; D013564:Sympathetic Nervous System / Q000502:physiology*
chemical_list: D009638:Norepinephrine