title: The nucleus isthmi as an intertectal relay for the ipsilateral oculotectal projection in the frog, Rana pipiens.
mesh_terms: D000818:Animals; D001931:Brain Mapping; D004525:Efferent Pathways / Q000033:anatomy & histology; D007814:Larva; D008675:Metamorphosis, Biological; D011894:Rana pipiens; D012160:Retina / Q000033:anatomy & histology*; D013477:Superior Colliculi / Q000033:anatomy & histology*; D014794:Visual Fields; D014795:Visual Pathways / Q000033:anatomy & histology