Contributions of new impregnation methods and freeze etching to the problems of synaptic fine structure.
D000818:Animals; D001729:Bismuth; D005613:Freeze Etching; D007454:Iodides; D007854:Lead; D009992:Osmium; D010275:Parasympathetic Nervous System / Q000166:cytology; D010873:Pinocytosis; D013194:Staining and Labeling; D013564:Sympathetic Nervous System / Q000166:cytology; D013569:Synapses / Q000166:cytology*; D013997:Time Factors; D014501:Uranium; D015032:Zinc
D007454:Iodides; D009992:Osmium; D007854:Lead; D014501:Uranium; D015032:Zinc; D001729:Bismuth