title: Unmyelinated axons in the ventral roots of the cat lumbosacral enlargement.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001369:Axons; D002415:Cats; D005727:Ganglia, Spinal / Q000166:cytology; D008161:Lumbosacral Region; D008854:Microscopy, Electron; D009413:Nerve Fibers, Myelinated / Q000166:cytology; D012583:Schwann Cells / Q000166:cytology; D013126:Spinal Nerve Roots / Q000166:cytology*