title: Effect of the venom of the black widow spider, Latrodectus mactans tredecimguttatus, on evoked action potentials in the isolated nerve cord of Periplaneta americana.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001369:Axons / Q000187:drug effects; D004558:Electric Stimulation; D005730:Ganglionic Blockers / Q000494:pharmacology; D066298:In Vitro Techniques; D007313:Insecta / Q000187:drug effects*; D009474:Neurons / Q000187:drug effects; D013112:Spiders; D009435:Synaptic Transmission / Q000187:drug effects; D014688:Venoms / Q000494:pharmacology*
chemical_list: D005730:Ganglionic Blockers; D014688:Venoms