Characteristics of slow potentials from the frog epiphysis (Rana esculenta); possible mass photoreceptor potentials.
D000200:Action Potentials; D000221:Adaptation, Ocular; D000818:Animals; D001001:Anura; D003623:Dark Adaptation; D010786:Photoreceptor Cells / Q000502:physiology; D010870:Pineal Gland / Q000502:physiology*; D011893:Rana esculenta / Q000502:physiology*; D013057:Spectrum Analysis; D013997:Time Factors