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The thyroid gland is the only source of thyroid hormone in the body; the process requires iodine and the amino acid tyrosine. The gland takes up iodine in the bloodstream and incorporates it into thyroglobulin molecules. The process is controlled by the thyroid-stimulating hormone (TSH, thyrotropin), which is secreted by the pituitary. Not ...
Thyroid disease is a medical condition that affects the function of the thyroid gland. ... It is an imaging process that can often be done in a doctor's office, is ...
The fetal immune cells in the maternal thyroid gland may become activated and act as a trigger that may initiate or exaggerate the autoimmune thyroid disease. In Hashimoto's disease patients, fetal microchimeric cells were detected in thyroid in significantly higher numbers than in healthy females.
Thyroid disorders include hyperthyroidism, hypothyroidism, thyroid inflammation (thyroiditis), thyroid enlargement , thyroid nodules, and thyroid cancer. Hyperthyroidism is characterized by excessive secretion of thyroid hormones: the most common cause is the autoimmune disorder Graves' disease .
tertiary hypothyroidism: Lacking stimulation by TRH, e.g. in hypothalamic failure, Pickardt–Fahlbusch syndrome or euthyroid sick syndrome. Hyperthyroidism: Inappropriately increased thyroid function primary hyperthyroidism: Inappropriate secretion of thyroid hormones, e.g. in case of Graves' disease.
Thyroid hormones are two hormones produced and released by the thyroid gland, ... The steps in this process are as follows: ... (an example is Graves' disease) is the ...
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Thyroiditis is generally caused by an immune system attack on the thyroid, resulting in inflammation and damage to the thyroid cells. This disease is often considered a malfunction of the immune system and can be associated with IgG4-related systemic disease, in which symptoms of autoimmune pancreatitis, retroperitoneal fibrosis and noninfectious aortitis also occur.