title: Ultrastructural changes and transmitter release induced by depolarization of cholinergic synaptosomes. A freeze-fracture study of a synaptosomal fraction from torpedo electric organ.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism*; D000631:Aminopyridines / Q000494:pharmacology; D000818:Animals; D002118:Calcium / Q000494:pharmacology; D004557:Electric Organ / Q000648:ultrastructure*; D005399:Fishes / Q000033:anatomy & histology*; D005614:Freeze Fracturing; D011188:Potassium / Q000494:pharmacology; D013572:Synaptic Vesicles / Q000648:ultrastructure; D013574:Synaptosomes / Q000187:drug effects / Q000378:metabolism / Q000648:ultrastructure*
chemical_list: D000631:Aminopyridines; D000109:Acetylcholine; D011188:Potassium; D002118:Calcium