title: Electrical activity of perfused and freely swimming squids as compared with in vitro responses.
mesh_terms: D000818:Animals; D049832:Decapodiformes / Q000502:physiology*; D004558:Electric Stimulation; D004596:Electroretinography; D066298:In Vitro Techniques; D008839:Microelectrodes; D010477:Perfusion; D012160:Retina / Q000502:physiology; D012168:Retinal Pigments; D013550:Swimming
chemical_list: D012168:Retinal Pigments