title: Measurement of a steady state current in the dark in photoreceptors of the barnacle.
mesh_terms: D000818:Animals; D003624:Darkness; D004594:Electrophysiology; D005071:Evoked Potentials / Q000187:drug effects; D005123:Eye / Q000187:drug effects; D009799:Ocular Physiological Phenomena; D010042:Ouabain / Q000494:pharmacology; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000187:drug effects / Q000502:physiology*; D001468:Thoracica / Q000502:physiology*
chemical_list: D010042:Ouabain