Definitions for hyperplasiaˌhaɪ pərˈpleɪ ʒə, -ʒi ə, -zi ə
This page provides all possible meanings and translations of the word hyperplasia
abnormal increase in number of cells
An increase in the size of a tissue or organ due to increased number of cells.
an increase in, or excessive growth of, the normal elements of any part
Origin: [NL., fr. Gr. "ype`r over + conformation, fr. to mold.]
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
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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