The pharmacology of batrachotoxin. I. Effects on the contractile mechanism and on neuromuscular transmission of mammalian skeletal muscle.

Acetates/pharmacology Alkaloids/pharmacology Animals Antitoxins Anura Caffeine/pharmacology Calcium Chloride/pharmacology Cell Membrane Permeability/drug effects Diaphragm/drug effects Drug Antagonism Drug Synergism Electric Stimulation In Vitro Techniques Membrane Potentials/drug effects Microscopy, Electron Muscle Contraction/drug effects Muscles/drug effects Neuromuscular Depolarizing Agents/antagonists & inhibitors,pharmacology Nitriles/pharmacology Phrenic Nerve/drug effects Potassium Chloride/pharmacology Pyrroles/pharmacology Rats Sarcoplasmic Reticulum/drug effects Sodium/pharmacology Steroids/pharmacology Synaptic Transmission/drug effects Temperature Tetrodotoxin/pharmacology Time Factors Toxins, Biological/pharmacology Tubocurarine/pharmacology

Acetates Alkaloids Antitoxins Neuromuscular Depolarizing Agents Nitriles Pyrroles Steroids Toxins, Biological Caffeine Tetrodotoxin Potassium Chloride Sodium Calcium Chloride Tubocurarine