title: Probable glial islands in a rat spinal nerve root--a longitudinal study.
mesh_terms: D000818:Animals; D001369:Axons; D008854:Microscopy, Electron; D009186:Myelin Sheath; D009457:Neuroglia / Q000648:ultrastructure; D051381:Rats; D013126:Spinal Nerve Roots / Q000166:cytology*