The nucleus isthmus as a relay station in the ipsilateral visual projection to the frog's optic tectum.
D000818:Animals; D001001:Anura; D001931:Brain Mapping; D004292:Dominance, Cerebral / Q000502:physiology*; D008636:Mesencephalon / Q000502:physiology*; D009412:Nerve Fibers / Q000502:physiology; D012160:Retina / Q000502:physiology; D013477:Superior Colliculi / Q000502:physiology*; D014794:Visual Fields; D014795:Visual Pathways / Q000502:physiology; D014796:Visual Perception / Q000502:physiology*