title: The structure and spectra of the chromophore of the visual pigments.
mesh_terms: D000818:Animals; D002151:Calorimetry; D002942:Circular Dichroism; D007536:Isomerism; D007700:Kinetics; D009682:Magnetic Resonance Spectroscopy; D008433:Mathematics; D008968:Molecular Conformation; D010777:Photochemistry; D012168:Retinal Pigments; D013050:Spectrometry, Fluorescence; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013816:Thermodynamics
chemical_list: D012168:Retinal Pigments