hyperplasia

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Related to cutaneous lymphoid hyperplasia: Pseudolymphoma, cutaneous pseudolymphoma

hyperplasia

 [hi″per-pla´zhah]
abnormal increase in volume of a tissue or organ caused by the formation and growth of new normal cells. See also hypertrophy and proliferation. adj., adj hyperplas´tic.
benign prostatic hyperplasia benign prostatic hypertrophy.
cutaneous lymphoid hyperplasia a group of benign cutaneous disorders characterized by accumulations of large numbers of lymphocytes and histiocytes in the skin, which may occur as a reaction to insect bites, allergy hyposensitization injections, light, trauma, or a tattoo pigment or may be of unknown etiology.
focal nodular hyperplasia (FNH) a benign, usually asymptomatic tumor of the liver, occurring chiefly in women; it is a firm, nodular, highly vascular mass resembling cirrhosis, usually with a stellate fibrous core containing numerous small bile ducts, and having vessels lined by Kupffer cells.
nodular hyperplasia of the prostate benign prostatic hypertrophy.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

hy·per·pla·si·a

(hī-pĕr-plā'zhē-ă),
An increase in the number of normal cells in a tissue or organ, excluding tumor formation, whereby the bulk of the part or organ may be increased.
See also: hypertrophy.
[hyper- + G. plasis, a molding]
Farlex Partner Medical Dictionary © Farlex 2012

hyperplasia

(hī′pər-plā′zhə)
n.
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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

hyperplasia

An abnormal ↑ in number of cells in an organ or tissue, resulting in an increase in size
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

hy·per·pla·si·a

(hī'pĕr-plā'zē-ă)
An increase in the number of cells in a tissue or organ, excluding tumor formation, whereby the bulk of the part or organ may be increased.
See also: hypertrophy
Compare: hypoplasia
[hyper- + G. plasis, a molding]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

hyperplasia

An increase in the number of cells in a tissue or organ causing an increase in the size of the part. Hyperplasia is not a cancerous process. It is often a normal response to increased demand and ceases when the stimulus is removed. To be distinguished from HYPERTROPHY.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

hyperplasia

an increase in tissue mass caused by an increase in cell number.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Hyperplasia

A condition where cells, such as those making up the prostate gland, rapidly divide abnormally and cause the organ to become enlarged.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

hyperplasia

Any condition in which there is an increase in the number of cells in an organ or a tissue. It usually excludes tumour formation. Example: choroidal naevus.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

hy·per·pla·si·a

(hī'pĕr-plā'zē-ă)
Increased number of normal cells in tissue or organ, excluding tumor formation, whereby bulk of the part or organ may be increased.
See also: hypertrophy
[hyper- + G. plasis, a molding]
Medical Dictionary for the Dental Professions © Farlex 2012
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