title: Structural changes in vitro of isolated nerve endings. I. Effect of cations.
mesh_terms: D000818:Animals; D002414:Cations, Monovalent; D008722:Methods; D008928:Mitochondria / Q000648:ultrastructure; D009994:Osmolar Concentration; D011188:Potassium / Q000378:metabolism; D051381:Rats; D012964:Sodium / Q000378:metabolism; D013572:Synaptic Vesicles / Q000648:ultrastructure; D013574:Synaptosomes / Q000378:metabolism / Q000648:ultrastructure*
chemical_list: D002414:Cations, Monovalent; D012964:Sodium; D011188:Potassium