title: Discrete potentials in the dark-adapted ye of the crab Limulus.
mesh_terms: D000200:Action Potentials; D000818:Animals; D003445:Crustacea; D003624:Darkness; D005071:Evoked Potentials; D008027:Light; D008564:Membrane Potentials; D009416:Nerve Regeneration / Q000187:drug effects; D009799:Ocular Physiological Phenomena; D009435:Synaptic Transmission; D013779:Tetrodotoxin / Q000494:pharmacology
chemical_list: D013779:Tetrodotoxin