#WHAT IS HORMONE TYPE 3 MEAN FREE#
It is particularly important for pregnant women to have the correct amounts of thyroid stimulating hormone and thyroid hormones to ensure the healthy development of their babies. Thyroid stimulating hormone is one of the hormones measured in newborns. Rarely, problems from the pitutiary gland or rare genetic conditions can result in inappropriately high thyroid stimulating hormones, and high free thyroid hormone levels. Their thyroid gland may enlarge to produce a goitre. Treatment is medication in the form of tablets to bring the level of thyroid hormones back to normal. This also reduces the amount of thyroid stimulating hormone in circulation. People with an underactive thyroid often feel lethargic, experience weight gain and feel the cold. If a person has too much, this may indicate that their thyroid gland is not making enough thyroid hormone, that is, they have an underactive thyroid gland or hypothyroidism. What happens if I have too much thyroid stimulating hormone?Ī simple blood test can measure thyroid stimulating hormone in the circulation. When thyroid stimulating hormone binds to the receptor on the thyroid cells, this causes these cells to produce thyroxine and triiodothyronine and release them into the bloodstream. These hormones have a negative effect on the pituitary gland and stop the production of thyroid stimulating hormone if the levels of thyroxine and triiodothyronine are too high. They also switch off production of a hormone called thyrotropin-releasing hormone. This hormone is produced by the hypothalamus and it also stimulates the pituitary gland to make thyroid stimulating hormone. How is thyroid stimulating hormone controlled? It controls production of the thyroid hormones, thyroxine and triiodothyronine, by the thyroid gland by binding to receptors located on cells in the thyroid gland. Thyroxine and triiodothyronine are essential to maintaining the body’s metabolic rate, heart and digestive functions, muscle control, brain development and maintenance of bones. Thyroid stimulating hormone is produced and released into the bloodstream by the pituitary gland.
TSH thyrotropin, thyrotrophin What is thyroid stimulating hormone? Alternative names for thyroid stimulating hormone
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