title: [Effect of divalent cations and pH changes on the presynaptic activity of the alpha-latrotoxin from the venom of the Lathrodectus mactans tredecimguttatus spider].
mesh_terms: D000818:Animals; D001180:Arthropod Venoms / Q000633:toxicity*; D001740:Black Widow Spider; D002118:Calcium / Q000494:pharmacology*; D002413:Cations, Divalent / Q000494:pharmacology; D005071:Evoked Potentials / Q000187:drug effects; D006863:Hydrogen-Ion Concentration; D008274:Magnesium / Q000494:pharmacology*; D009469:Neuromuscular Junction / Q000187:drug effects; D011898:Ranidae; D013111:Spider Venoms / Q000633:toxicity*; D013324:Strontium / Q000494:pharmacology*; D013569:Synapses / Q000187:drug effects*
chemical_list: D001180:Arthropod Venoms; D002413:Cations, Divalent; D013111:Spider Venoms; C020763:alpha-latrotoxin; D008274:Magnesium; D002118:Calcium; D013324:Strontium
vernacular_title: Vliianie dvukhvalentnykh kationov i izmeneniĭ pH na presinapti-cheskuiu aktivnost' al'fa-latrotoksina iz iada pauka Lathrodectus mactans tredecimguttatus.