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Learn about thyroid hormone, the hormone that controls your metabolism and affects many organs and tissues in your body. Find out how thyroid hormone levels are regulated, measured and influenced by various conditions.
14 cze 2023 · The thyroid gland is an endocrine organ located in the neck that participates in a myriad of systemic processes. The effects of the hormones it produces can be seen throughout all systems in the body. Thyroid hormones are able to diffuse freely across cell membranes.
Thyroid hormones are any hormones produced and released by the thyroid gland, namely triiodothyronine (T 3) and thyroxine (T 4). They are tyrosine-based hormones that are primarily responsible for regulation of metabolism. T 3 and T 4 are partially composed of iodine, derived from food. [2]
5 cze 2023 · The thyroid gland, anterior pituitary gland, and hypothalamus comprise a self-regulatory circuit called the hypothalamic-pituitary-thyroid axis. The main hormones produced by the thyroid gland are thyroxine or tetraiodothyronine (T4) and triiodothyronine (T3).
7 cze 2022 · Learn about the thyroid gland, an endocrine organ that produces and releases hormones that control your metabolism and other functions. Find out how thyroid problems can affect your health and what treatments are available.
13 mar 2023 · The thyroid is an endocrine gland. Its location is in the inferior, anterior neck, and it is responsible for the formation and secretion of thyroid hormones as well as iodine homeostasis within the human body. The thyroid produces approximately 90% inactive thyroid hormone, or thyroxine (T4), and 10% active thyroid hormone, or triiodothyronine ...
Like the adrenal cortex and the gonads, the thyroid gland is controlled by hormone secretions from the hypothalamo-pituitary axis. The synthesis and secretion of TSH from the thyrotrophs is stimulated by the tripeptide, thyrotrophin-releasing hormone (TRH).
