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hyperthyroidism
Pronunciation (hī-per-thī′royd-izm)
- An abnormality of the thyroid gland in which secretion of thyroid hormone is usually increased and no longer under regulatory control of hypothalamic-pituitary centers; characterized by a hypermetabolic state, usually with weight loss, tremulousness, elevated plasma levels of thyroxin and/or triiodothyronine, and sometimes exophthalmos; may progress to severe weakness, wasting, hyperpyrexia, and other manifestations of thyroid storm; often associated with Graves disease. See also: thyrotoxicosis
Syn: hyperthyrea, thyroidism (1) , thyrointoxication
WebMD Medical Reference from "Stedman's Medical Dictionary"
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Stedman’s Medical Dictionary 28th Edition, Copyright© 2006_Lippincott Williams & Wilkins. All rights reserved.
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