title: The ultrastructure of regeneration in the severed newt optic nerve.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure; D008854:Microscopy, Electron; D008870:Microtubules / Q000648:ultrastructure; D009413:Nerve Fibers, Myelinated / Q000648:ultrastructure; D009416:Nerve Regeneration; D009900:Optic Nerve / Q000502:physiology / Q000648:ultrastructure*; D012455:Salamandridae; D013997:Time Factors