title: Autoradiographic demonstration of optic nerve fibers in the stratum zonale of the frog's tectum.
mesh_terms: D000818:Animals; D001001:Anura; D001345:Autoradiography; D007930:Leucine; D009900:Optic Nerve / Q000033:anatomy & histology*; D011392:Proline; D011894:Rana pipiens / Q000033:anatomy & histology*; D013477:Superior Colliculi / Q000033:anatomy & histology*; D013788:Thalamus / Q000033:anatomy & histology*; D014316:Tritium
chemical_list: D014316:Tritium; D011392:Proline; D007930:Leucine