Hypothalamus - Pituitary - Thyroid Endocrine Axis
The hormones that make up the HPT axis control the metabolic processes of all cells in the body and are therefore crucial for the organism to function normally. The secretion of TRH from the hypothalamus activates the HPT axis. After reaching the pituitary, TRH stimulates the release of TSH, which in turn promotes the production and release of T4 and T3 by the thyroid gland. Negative feedback effects of T4 and T3 on both the hypothalamus and the pituitary regulate the HPT system.
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|current||17:52, 15 May 2012||600 × 700 (35 KB)||Z8600021||==Hypothalamus - Pituitary - Thyroid Endocrine Axis== ===Reference=== <pubmed>15706790</pubmed> Unless otherwise noted in the text, all material appearing in this journal is in the public domain and may be reproduced without permission. Citation of|
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