Post-tetanic activity changes of the frog's neurosensory pineal end vesicle (Stirnorgan).
D000818:Animals; D001001:Anura; D004558:Electric Stimulation; D008027:Light; D009417:Nerve Tissue; D009431:Neural Conduction; D010786:Photoreceptor Cells / Q000502:physiology*; D010870:Pineal Gland / Q000502:physiology*; D014466:Ultraviolet Rays