| umls-concept:C0017639 | skos:definition | MSH: The production of a dense fibrous network of neuroglia; includes astrocytosis, which is a proliferation of astrocytes in the area of a degenerative lesion.,CSP: an excess of neuroglia in damaged areas of the central nervous system.,NCI: Reactive astrocytic proliferation associated with fibrous tissue formation, secondary to damage (trauma or ischemia) to the central nervous system. | lld:umls |
