Proliferation is the growth of tissue cells. In many diseases, it is abnormal. Cancer cells are very prolific. They have higher than normal rates of cell division and growth.
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Review Date 2/2/2023
Updated by: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.