. . "A brain disease that is characterized by loss of structure or function of neurons, including death of neurons and loss of brain tissue."^^ . _:vb50949579 . . "UMLS_CUI:C0154671"^^ . "cerebral degeneration"^^ . "ICD9CM:331.9"^^ . _:vb50949579 . "DOID:1443"^^ . "GARD:6019"^^ . "disease_ontology"^^ . _:vb50949579 . "Brain degeneration"@en . . "SNOMEDCT_US_2021_09_01:52522001"^^ . _:vb50949579 . _:vb50949579 .