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An abnormal increase in the number of cells in a tissue or organ, with consequent enlargement of the part or organ.

hy′per·plas′tic (-plăs′tĭk) adj.


(Pathology) enlargement of a bodily organ or part resulting from an increase in the total number of cells. Compare hypertrophy
hyperplastic adj


(ˌhaɪ pərˈpleɪ ʒə, -ʒi ə, -zi ə)

1. abnormal multiplication of cells.
2. enlargement of a part due to an abnormal numerical increase of its cells.
hy`per•plas′tic (-ˈplæs tɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hyperplasia - abnormal increase in number of cells
dysplasia - abnormal development (of organs or cells) or an abnormal structure resulting from such growth
benign prostatic hyperplasia, BPH - enlarged prostate; appears to be part of the natural aging process


n. hiperplasia, proliferación excesiva de células normales en un tejido.


n hiperplasia; benign prostatic— hiperplasia prostática benigna; congenital adrenal — hiperplasia suprarrenal congénita
References in periodicals archive ?
M2 EQUITYBITES-January 8, 2018-Spruce Biosciences wins EMA orphan drug designation for SPR001 for congenital adrenal hyperplasia
M2 PHARMA-January 8, 2018-Spruce Biosciences wins EMA orphan drug designation for SPR001 for congenital adrenal hyperplasia
Endometrial cancer and hyperplasia are likely causes of abnormal bleeding in perimenopausal and postmenopausal bleeding.
Hyperplasia is a rare etiology for an enlarged Bartholin's gland.
1) recently proved the benefit of thymectomy in patients with nonthymomatous myasthenia gravis, including lymphoid thymic hyperplasia, for improving clinical outcomes and reducing the need for immunosuppressive therapy," we would like to underline that our manuscript reads "while thymectomy is often performed for thymoma, it is not therapeutic for thymic hyperplasia.
Mammary epithelial hyperplasia is classified into three distinct types: lobular (arising from the intralobular ducts), ductal (arising from the extralobular ducts), and adenosis (CASSALI et al.
Objective: To determine the frequency of endometrial hyperplasia in histopathology of endometrial curettings in perimenopausal women with abnormal uterine bleeding.
This article demonstrates the full spectrum of findings and features of focal nodular hyperplasia (FNH) on different diagnostic radiological modalities.
Background and Objective: Angiolymphoid hyperplasia with eosinophilia (ALHE) is a rare, benign, vasoproliferative entity of unknown etiology.
These signs should not be ignored or overlooked as they can indicate serious problems, including benign prostatic hyperplasia (BPH), prostatitis, and even prostate cancer.
In this article, we report 10 cases of atypical glandular hyperplasia transformation of adenomyosis, of whom the clinical and pathological characteristics are observed.
1], pseudoangiomatous stromal hyperplasia (PASH) of the breast is an uncommon pathology that is usually diagnosed incidentally upon pathological examination of other benign lesions, and it rarely occurs as a growing lump [2, 3].