title: Excitability blockade of the squid giant axon by the venom of Latrodectus mactans (black widow spider).
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001369:Axons / Q000187:drug effects* / Q000502:physiology; D002462:Cell Membrane / Q000187:drug effects / Q000502:physiology; D049832:Decapodiformes; D007700:Kinetics; D008564:Membrane Potentials / Q000187:drug effects; D011188:Potassium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism; D013112:Spiders; D013997:Time Factors; D014688:Venoms / Q000494:pharmacology*
chemical_list: D014688:Venoms; D012964:Sodium; D011188:Potassium