title: Fluorescence microscopy and electron microscopy of adrenergic nerves after constriction at two points.
mesh_terms: D000818:Animals; D002415:Cats; D006168:Guinea Pigs; D006651:Histocytochemistry; D008854:Microscopy, Electron; D008856:Microscopy, Fluorescence; D009638:Norepinephrine / Q000032:analysis* / Q000378:metabolism; D013564:Sympathetic Nervous System / Q000166:cytology* / Q000502:physiology
chemical_list: D009638:Norepinephrine