title: Application of cobalt-filling technique to show retinal projections in the frog.
mesh_terms: D000818:Animals; D001001:Anura / Q000033:anatomy & histology*; D001921:Brain / Q000033:anatomy & histology; D003035:Cobalt; D006801:Humans; D007031:Hypothalamus / Q000033:anatomy & histology; D009412:Nerve Fibers / Q000033:anatomy & histology; D009900:Optic Nerve / Q000033:anatomy & histology; D011893:Rana esculenta; D012160:Retina / Q000033:anatomy & histology*; D003336:Tectum Mesencephali / Q000033:anatomy & histology; D014795:Visual Pathways / Q000033:anatomy & histology*
chemical_list: D003035:Cobalt