Dictionary

hyperthyroidism

noun hy·per·thy·roid·ism \-ˌri-ˌdi-zəm\

Definition of HYPERTHYROIDISM

:  excessive functional activity of the thyroid gland; also :  the resulting condition marked especially by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, and high blood pressure
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Origin of HYPERTHYROIDISM

International Scientific Vocabulary
First Known Use: circa 1900
Medical Dictionary

hyperthyroidism

noun hy·per·thy·roid·ism \-ˌrid-ˌiz-əm, -rəd-\

Medical Definition of HYPERTHYROIDISM

:  excessive functional activity of the thyroid gland; also :  the resulting condition marked especially by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, and high blood pressure—called also thyrotoxicosis; see graves' disease

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