Neurotoxins which block transmitter release from nerve terminals.
D000818:Animals; D001905:Botulinum Toxins / Q000494:pharmacology; D051379:Mice; D009469:Neuromuscular Junction / Q000187:drug effects*; D051381:Rats; D012910:Snake Venoms / Q000494:pharmacology; D014118:Toxins, Biological / Q000494:pharmacology*
D012910:Snake Venoms; D014118:Toxins, Biological; D001905:Botulinum Toxins