[Electron microscopy of secondary degeneration in the central nervous system--structural changes of the axon and myelin sheath].
D000818:Animals; D001369:Axons / Q000473:pathology*; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D009186:Myelin Sheath / Q000473:pathology*; D009900:Optic Nerve / Q000473:pathology*; D051381:Rats