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Hyperplasia

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Definition: 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.  general or unspecified; coordinate NIM with organ /pathol (IM); many specific precoordinated hyperplasia terms are available; congen adrenal hyperplasia   
See Also Cell Proliferation; Precancerous Conditions 		Other names Hyperplasias
 
SubstanceCAS Registry & nameCategoriesSource
Sebaceous gland hyperplasia, familial presenile  0   *Facial Dermatoses *Hyperplasia Sebaceous Glands/pathology.
Pseudoangiomatous stromal hyperplasia  0   *Angiomatosis *Breast Diseases *Hyperplasia.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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