title: Release of packets of acetylcholine and synaptic vesicle elicited by brown widow spider venom in frog motor nerve endings poisoned by botulinum toxin.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism*; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001905:Botulinum Toxins / Q000494:pharmacology*; D005071:Evoked Potentials; D008854:Microscopy, Electron; D009046:Motor Neurons / Q000187:drug effects; D009411:Nerve Endings / Q000187:drug effects*; D009469:Neuromuscular Junction / Q000187:drug effects / Q000648:ultrastructure; D011894:Rana pipiens; D013112:Spiders; D013268:Stimulation, Chemical; D013572:Synaptic Vesicles / Q000378:metabolism*; D014688:Venoms / Q000494:pharmacology*
chemical_list: D014688:Venoms; D001905:Botulinum Toxins; D000109:Acetylcholine