Definition

Hyperplasia is increased cell production in a normal tissue or organ. Hyperplasia may be a sign of abnormal or precancerous changes. This is called pathologic hyperplasia.

It can also be due to the growth of normal cells. This is called physiologic hyperplasia.

Alternative Names

Hypergenesis

References

Oakes SA. Cell injury, cell death, and adaptations. In: Kumar V, Abbas AK, Aster JC, eds. Robbins and Cotran Pathologic Basis of Disease. 10th ed. Philadelphia, PA: Elsevier; 2021:chap 2.