title: Excitation in vertebrate retinal rods.
mesh_terms: D000818:Animals; D002118:Calcium / Q000502:physiology*; D010786:Photoreceptor Cells / Q000502:physiology*; D012160:Retina / Q000502:physiology; D012243:Rhodopsin / Q000502:physiology; D009435:Synaptic Transmission
chemical_list: D012243:Rhodopsin; D002118:Calcium