Hyperplasia - Definitions from Dictionary.com

4 results for: Hyperplasia

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

hy·per·pla·sia

Audio Help [hahy-per-pley-zhuh, -zhee-uh, -zee-uh] Pronunciation Key

–noun Pathology, Biology.

1.	abnormal multiplication of cells.

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

[Origin: 1860–65; hyper- + -plasia

]

—Related forms

hy·per·plas·tic

Audio Help [hahy-per-plas-tik] Pronunciation Key, adjective

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Hyperplasia

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American Heritage Dictionary - Cite This Source - Share This

hy·per·pla·sia Audio Help (hī'pər-plā'zhə) Pronunciation Key
n. An abnormal increase in the number of cells in an organ or a tissue with consequent enlargement.

hy'per·plas'tic (-plās'tĭk) adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

hyperplasia
noun
abnormal increase in number of cells

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Hyperplasia

Hy`per*pla"si*a\, n. [NL., fr. Gr. "ype`r over + ? conformation, fr. ? to mold.] (Med. & Biol.) An increase in, or excessive growth of, the normal elements of any part.

Note: Hyperplasia relates to the formation of new elements, hypertrophy being an increase in bulk of preexisting normal elements. --Dunglison.

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