Hypothyroidism

From Health Encyclopedia

Contents 1 Broader Terms 2 Narrower Terms 3 Related Terms 4 Scope Note 5 Facts

Broader Terms

thyroid disorder

Narrower Terms

cretinism, familial hypothyroidism, myxedema

Related Terms

hyperpituitarism

Scope Note

deficiency of thyroid gland activity; characterized by decreased basal metabolic rate, fatigue and lethargy, sensitivity to cold, and menstrual disturbances; untreated it progresses to myxedema; in infants severe hypothyroidism leads to cretinism.

Facts

• Hyperthyroidism is a disorder characterized by under-production of the thyroid hormone by the thyroid gland.
• The diagnosis of hypothyroidism is confirmed by finding very low levels of thyroid hormones (T4 and T3) in the blood.
• Hypothyroidism is a disorder of the thyroid gland, which is the butterfly-shaped glandular organ located in the neck just below the voicebox.
• When the production of thyroid hormone decreases below the normal body's need, the condition is referred to as hypothyroidism.

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