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1. decrease in the number of cells, such as in a tumor.
therapy with the intention of reducing the number of cells in a lesion, usually a malignancy.
cytoreduction(sīt″ō-rĕ-dŭk′shŭn) [″ + ″]
Cellular killing, usually of cancerous cell clones, with chemotherapy.cytoreductive (-dŭk′-tĭv), adjective