| umls-concept:C0020507 | skos:definition | MSH: An increase in the number of cells in a tissue or organ without tumor formation. It differs from HYPERTROPHY, which is an increase in bulk without an increase in the number of cells.,CSP: abnormal multiplication of otherwise normal cells, leading to tissue enlargement.,NCI: An abnormal increase in the number of cells in an organ or tissue.,NCI: An abnormal increase in the number of cells in an organ or a tissue with consequent enlargement. | lld:umls |
