Myelin and myelin forming cells in the central nervous system.
D000818:Animals; D001369:Axons / Q000166:cytology*; D001929:Brain Edema; D002490:Central Nervous System / Q000166:cytology*; D009186:Myelin Sheath / Q000166:cytology*; D009441:Neurilemma / Q000166:cytology*; D010525:Peripheral Nerves / Q000166:cytology*; D051381:Rats; D012583:Schwann Cells / Q000166:cytology