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Thyroid hormone production is regulated by a feedback loop between the hypothalamus, the thyroid gland and the pituitary gland. Hypothalamic thyrotropin-releasing hormone (TRH) stimulates pituitary…

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Thyroid hormone production is regulated by a feedback loop between the hypothalamus, the thyroid gland and the pituitary gland. Hypothalamic thyrotropin-re

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Tropic hormones are hormones that control the release of other hormones. Therefore, use of tropic hormones allows amplification of original signal can cause a large release of the next hormone, and control of hormone release by the brain. Thyrotropin Releasing Hormone causes the anterior pituitary to secrete Thyroid Stimulating Hormone into the blood.Prolactin Releasing Hormone is a tropic hormone released by the hypothalamus that causes the the anterior pituitary to release its hormone…

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from HubPages

Histological Significance Of The Hypothalamus And Pituitary Gland In Endocrinology

Hypothalamic hormones that have been identified are thyrotropin releasing hormone (TRH), gonadotropin releasing hormone (GnRH) and growth hormone release inhibiting hormone (GHRIH), somatostatin (SS).