Medical Term:

hypothyroidism

Pronunciation: hī′pō-thī′royd-izm

Definition: Diminished production of thyroid hormone, leading to clinical manifestations of thyroid insufficiency, including low metabolic rate, tendency to gain weight, somnolence, and sometimes myxedema.

Synonym(s): athyrea1

[hypo- + G. thyreoeidēs, thyroid]

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