hyperplasia


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hyperplasia

(hī'pərplā`zhə): see hypertrophyhypertrophy
, enlargement of a tissue or organ of the body resulting from an increase in the size of its cells. Such growth accompanies an increase in the functioning of the tissue. In normal physiology the growth in size of muscles (e.g.
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.

Hyperplasia

 

an increase in the number of structural elements of tissues or organs. In man and animals, hyperplasia is based on the intensified reproduction of cells and the formation of new structures. Hyperplasia is observed in various types of pathological growth of tissues (chronic productive inflammation and tumor), in regeneration, and in hypertrophy. Hyperplasia often carries with it compensating characters. In plants, it may be a local growth of tissues resulting from mitotic or amitotic cell division. It occurs with infection by destructive or pathogenic organisms, during trauma, and under the influence of growth stimulants, pesticides, and other preparations. The result of hyperplasia is the formation of galls, calluses, and warts.

hyperplasia

[‚hī·pər′plā·zhə]
(medicine)
Increase in cell number causing an increase in the size of a tissue or organ.
References in periodicals archive ?
The granting of orphan drug designation by both the EMA and FDA represents an important step forward for its lead product candidate and underscores the high unmet medical need for developing new therapies that may benefit patients living with congenital adrenal hyperplasia, said the company's CEO Dr Alexis Howerton.
Bharti et al noted that 56% had simple hyperplasia without atypia, 8% had complex hyperplasia without atypia, 8% had complex hyperplasia with atypia, 16% had atrophic endometrium and 12% had carcinoma in postmenopausal patients.
Keywords * Bartholin's gland * Hyperplasia * Lymphadenitis
Interquartile ranges of perfusion parameters for subtypes of anterior mediastinum lesions BF BV PS Thymic hyperplasia 33.
Based on the morphologic and immunohistochemical findings, a diagnosis of mammary fibroadenomatoid hyperplasia with probable influence of ovarian steroids was made.
Conclusion: In this study frequency of endometrial hyperplasia was 13.
Focal nodular hyperplasia is subdivided into 2 types: classic (80%) and non-classic (20%).
Angiolymphoid Hyperplasia with Eosinophilia (ALHE) is a rare benign, vasoproliferative entity of unknown etiology.
When the prostate swells, whether because of benign prostatic hyperplasia, prostate cancer, or prostatitis, it narrows the urethra, making it difficult for urine to pass freely from the bladder.
Table 1) with special reference to gingival hyperplasia.