Meaning of HYPERTHYROIDISM

Pronunciation:			`hIpur'thIroy`dizum
WordNet Dictionary
	Definition:		[n]  an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones
	Websites:
	Synonyms:		thyrotoxicosis
	Antonyms:		hypothyroidism
	See Also:		adenosis, exophthalmic goiter, exophthalmos, gland disease, glandular disease, glandular disorder, Graves' disease
Biology Dictionary
	Definition:		Thyrotoxicosis is a clinical condition in which the circulating level of free thyroxine (T3) is elevated. The most common form is Grave's disease. Others include: subacute thyroiditis and Hashimoto's disease. It may also occur as a side effect from taking drugs such as amiodarone.