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Thyroid hormone exerts negative feedback control over the hypothalamus as well as anterior pituitary, thus controlling the release of both TRH from hypothalamus and TSH from anterior pituitary gland. [2] The HPA, HPG, and HPT axes are three pathways in which the hypothalamus and pituitary direct neuroendocrine function.
Here hypothalamic neurosecretory cells release factors to the blood. Some of these factors ( releasing hormones ), released at the hypothalamic median eminence , control the secretion of pituitary hormones, while others (the hormones oxytocin and vasopressin ) are released directly into the blood.
The pituitary gland is divided into three lobes: the anterior pituitary, the intermediate pituitary lobe, and the posterior pituitary. The hypothalamus controls the anterior pituitary's hormone secretion by sending releasing factors, called tropic hormones , down the hypothalamo-hypophysial portal system. [ 3 ]
They can be classified as a hypothalamic–pituitary axis (HP axis) of which the adrenal (HPA Tooltip hypothalamic–pituitary–adrenal axis), gonadal (HPG Tooltip hypothalamic–pituitary–gonadal axis), thyroid (HPT Tooltip hypothalamic–pituitary–thyroid axis), somatotropic (HPS Tooltip hypothalamic–pituitary–somatotropic axis), and ...
Later and expanded versions of the software were used to develop the hypothesis of the TSH-T3 shunt in the hypothalamus-pituitary-thyroid axis, [10] to assess the validity of calculated parameters of thyroid homeostasis (including SPINA-GT and SPINA-GD) [11] [12] and to study allostatic mechanisms leading to non-thyroidal illness syndrome. [13 ...
Pages in category "Hormones of the hypothalamus-pituitary-thyroid axis" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes .