title: How long can degenerating axons in the central nervous system produce reactive changes? An electron microscopic investigation.
mesh_terms: D000818:Animals; D001369:Axons; D003594:Cytoplasmic Granules; D003595:Cytoplasmic Streaming; D004721:Endoplasmic Reticulum; D008854:Microscopy, Electron; D008928:Mitochondria; D009410:Nerve Degeneration; D009413:Nerve Fibers, Myelinated; D009900:Optic Nerve / Q000473:pathology*; D009940:Organoids; D051381:Rats; D013997:Time Factors