hyperplasia

noun

hy·​per·​pla·​sia ˌhī-pər-ˈplā-zh(ē-)ə How to pronounce hyperplasia (audio)
: an abnormal or unusual increase in the elements composing a part (such as cells composing a tissue) compare benign prostatic hyperplasia
hyperplastic adjective

Examples of hyperplasia in a Sentence

Recent Examples on the Web Clear indicators of high risk come from a biopsy showing abnormal growths: proliferative lesions or premalignant lesions in the breast such as atypical hyperplasia or lobular carcinoma in situ, or LCIS. Elizabeth Cooney, STAT, 13 Nov. 2023 Hyperplasia in the uterus, known as endometrial hyperplasia, occurs when the lining of the uterus (endometrium) becomes too thick, per the Cleveland Clinic. Caroline Kee, NBC News, 17 Oct. 2023 Some types of endometrial hyperplasia can lead to cancers, including endometrial cancer and uterine cancer. Caroline Kee, NBC News, 17 Oct. 2023 Is prostate enlargement or hyperplasia possible at such a young age? Dr. Keith Roach, oregonlive, 11 Aug. 2023 In a rare side effect called paradoxical adipose hyperplasia (PAH), a patient can come to grow hard fatty tissue in the affected areas, resulting in swellings and masses that can be permanent. Sally Singer, Vogue, 11 Aug. 2023 From it, Evangelista was diagnosed with Paradoxical adipose hyperplasia (PAH) — a rare side effect of CoolSculpting where the freezing process causes the affected fatty tissue to thicken and expand. Michelle Lee, Peoplemag, 12 Aug. 2023 There was no difference in rate of benign prostate hyperplasia, and prostate cancer occurred in 12 patients in the testosterone group and 11 in the placebo group. Matthew Herper Reprints, STAT, 16 June 2023 Uterine fibroids may impede those contractions, leading to pain.11 Risk Factors for Painful Penile Orgasms Physical risk factors for painful penile orgasms include:4 Benign prostate hyperplasia: This causes an enlarged prostate, which occurs with age and causes difficulty urinating. Dr. Roshini Raj, Health, 1 June 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hyperplasia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of hyperplasia was in 1861

Dictionary Entries Near hyperplasia

Cite this Entry

“Hyperplasia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperplasia. Accessed 22 May. 2024.

Medical Definition

hyperplasia

noun
hy·​per·​pla·​sia ˌhī-pər-ˈplā-zh(ē-)ə How to pronounce hyperplasia (audio)
: an abnormal or unusual increase in the elements composing a part (as cells composing a tissue) see benign prostatic hyperplasia, congenital adrenal hyperplasia
hyperplastic adjective
hyperplastically adverb

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