title: [Ultrastructure of visual fibers in the turtle midbrain tectum in normal conditions and during degeneration].
mesh_terms: D000818:Animals; D001369:Axons; D003593:Cytoplasm; D008854:Microscopy, Electron; D008928:Mitochondria; D009186:Myelin Sheath; D009410:Nerve Degeneration; D013572:Synaptic Vesicles; D003336:Tectum Mesencephali / Q000166:cytology*; D014426:Turtles / Q000033:anatomy & histology*; D014795:Visual Pathways / Q000166:cytology*
vernacular_title: Ul'trastruktura zritel'nykh volokon v kryshe serdnego mozga cherepakhi v norme i pri ikh degeneratsii.