title: Primary optic pathways in the echidna, Tachyglossus aculeatus: an experimental degeneration study.
mesh_terms: D000818:Animals; D004027:Diencephalon / Q000033:anatomy & histology*; D005829:Geniculate Bodies / Q000033:anatomy & histology; D007031:Hypothalamus / Q000033:anatomy & histology; D009410:Nerve Degeneration; D009897:Optic Chiasm / Q000033:anatomy & histology; D009900:Optic Nerve / Q000033:anatomy & histology*; D012160:Retina; D012911:Snakes; D013194:Staining and Labeling; D013477:Superior Colliculi / Q000033:anatomy & histology; D014795:Visual Pathways