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Definition of: hyperplasia
(hī′pər·plā′zhē·ə, -zha) noun Pathol.
Excessive production of cells in a part; enlargement from quantitative increase produced by cell division: distinguished from hypertrophy.
—hy′per·plas′ic (-plas′ik), hy′·per·plas′tic (-plas′tik) adjective
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