disease neurodegenerative disease yes cerebral degeneration disease DOID:1289 NCIT:C4802 brain degeneration neurodegenerative disease MONDO:0005559 ICD9:349.89 degenerative disease EFO:0005772 central nervous system neurodegenerative disorder A disorder of the central nervous system characterized by gradual and progressive loss of neural tissue and neurologic function. degenerative disorder of central nervous system Editor notes: DO treats this as two diseases central nervous system degenerative disorder MESH:D019636 SCTID:80690008