Thyrotropin-releasing hormone (TRH) is a small yet highly significant tripeptide consisting of the amino acids pyroglutamate, histidine, and proline. First identified in the hypothalamus, TRH was ...
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Thyroid Blood Tests: Types and What Results Mean
Eun Lee, MD Thyroid blood tests are an important part of diagnosing and treating thyroid disease. Based on how high or low ...
Levels of thyroid hormones in serum are tightly regulated by the hypothalamic-pituitary-thyroid axis (Figure 1). Hypothalamic TSH-releasing hormone (TRH) is secreted mainly from the paraventricular ...
Regulation of thyroid hormone (TH) levels is a complex multilevel phenomenon. The paraventricular nucleus (PVN) of the hypothalamus (the region of the brain that controls the involuntary nervous ...
The thyroid gland produces two thyroid hormones, triiodothyronine (T3) and thyroxine (T4), and releases them as needed by the body. The hypothalamus and the pituitary gland help control the thyroid ...
TSH in pars distalis (PD-TSH) is controlled by the hypothalamus -- pituitary gland -- thyroid gland (HPT) axis. The hypothalamus secretes the thyrotropsin-releasing hormone (TRH), which stimulates the ...
The thyroid, a butterfly-shaped gland at the base of the neck, regulates metabolism, energy levels, digestion, and reproductive health. Thyroid disorders are among the most common endocrine conditions ...
What is thyroid-stimulating hormone (TSH)? The thyroid gland is a gland situated in the neck and secretes the thyroid hormones thyroxine (T4) and tri-iodothyronine (T3). These hormones are essential ...
These biochemical and radiological investigations were consistent with the diagnosis of a TSHoma. The patient declined medical or surgical treatment and has remained clinically euthyroid during 4 ...
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