The mesencephalic and diencephalic optic centres in the frog.
D000818:Animals; D004027:Diencephalon / Q000033:anatomy & histology* / Q000502:physiology; D011898:Ranidae; D013477:Superior Colliculi / Q000033:anatomy & histology* / Q000502:physiology; D014795:Visual Pathways / Q000033:anatomy & histology* / Q000502:physiology