Dark adaptation of the frog's rods.
D000200:Action Potentials; D000818:Animals; D001001:Anura; D003623:Dark Adaptation; D066298:In Vitro Techniques; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology*; D011894:Rana pipiens; D012168:Retinal Pigments / Q000502:physiology
D012168:Retinal Pigments