The node of Ranvier in the central nervous system.
D000818:Animals; D001369:Axons / Q000166:cytology*; D002415:Cats; D002490:Central Nervous System / Q000033:anatomy & histology*; D051379:Mice; D008854:Microscopy, Electron; D009186:Myelin Sheath / Q000166:cytology*; D009441:Neurilemma / Q000166:cytology*; D009900:Optic Nerve / Q000166:cytology; D011901:Ranvier's Nodes / Q000166:cytology; D051381:Rats