Definitions for hyperplasiaˌhaɪ pərˈpleɪ ʒə, -ʒi ə, -zi ə

This page provides all possible meanings and translations of the word hyperplasia

Random House Webster's College Dictionary

hy•per•pla•siaˌhaɪ pərˈpleɪ ʒə, -ʒi ə, -zi ə(n.)

  1. abnormal multiplication of cells.

    Category: Developmental Biology, Pathology

  2. enlargement of a part due to an abnormal numerical increase of its cells.

    Category: Developmental Biology, Pathology

Origin of hyperplasia:


hy`per•plas′tic-ˈplæs tɪk(adj.)

Princeton's WordNet

  1. hyperplasia(noun)

    abnormal increase in number of cells


  1. hyperplasia(Noun)

    An increase in the size of a tissue or organ due to increased number of cells.

Webster Dictionary

  1. Hyperplasia(noun)

    an increase in, or excessive growth of, the normal elements of any part


  1. Hyperplasia

    Hyperplasia or hypergenesis, means increase in number of cells/proliferation of cells. It may result in the gross enlargement of an organ and the term is sometimes mixed up with benign neoplasia / benign tumor. Hyperplasia is a common preneoplastic response to stimulus. Microscopically cells resemble normal cells but are increased in numbers. Sometimes cells may also be increased in size. Hyperplasia is different from hypertrophy in that the adaptive cell change in hypertrophy is an increase in cell size, whereas hyperplasia involves an increase in the number of cells.

U.S. National Library of Medicine

  1. Hyperplasia

    An increase in the number of cells in a tissue or organ without tumor formation. It differs from HYPERTROPHY, which is an increase in bulk without an increase in the number of cells.


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