1. abnormal increase in the number of cells in an organ or tissue
Usage: medical

Examples

• The biopsy revealed hyperplasia in the prostate tissue.
• Benign prostatic hyperplasia is common in older men.
• The pathologist identified hyperplasia of the thyroid gland.
• Endometrial hyperplasia can cause irregular bleeding.
• The doctor explained that hyperplasia differs from cancer because the cells remain normal.
• Gingival hyperplasia may result from certain medications.