title: Fixation for electron microscopy and the retention of 3H-noradrenaline by tissues.
mesh_terms: D000818:Animals; D001345:Autoradiography; D006651:Histocytochemistry; D006652:Histological Techniques; D007275:Injections, Intravenous; D008297:Male; D008643:Mesentery / Q000032:analysis; D008722:Methods; D008854:Microscopy, Electron; D009206:Myocardium / Q000032:analysis; D009638:Norepinephrine / Q000032:analysis*; D051381:Rats; D013154:Spleen / Q000032:analysis; D014316:Tritium; D014649:Vas Deferens / Q000032:analysis
chemical_list: D014316:Tritium; D009638:Norepinephrine