title: The effect of tetrodotoxin, veratridine and tetraethylammonium chloride on the receptor potential of the crayfish photoreceptor cell.
mesh_terms: D000818:Animals; D003400:Astacoidea; D002118:Calcium; D008274:Magnesium; D010539:Permeability; D010786:Photoreceptor Cells / Q000187:drug effects; D012160:Retina / Q000187:drug effects; D012964:Sodium; D013757:Tetraethylammonium Compounds / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology; D014702:Veratrine / Q000494:pharmacology*
chemical_list: D013757:Tetraethylammonium Compounds; D013779:Tetrodotoxin; D012964:Sodium; D014702:Veratrine; D008274:Magnesium; D002118:Calcium