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The hormone that regulates the synthesis and secretion of T3 (Triiodothyronine) and T4 (Thyroxine) by the thyroid gland is thyroid stimulating hormone (TSH) that is produced and secreted by the anterior pituitary gland, also known as the adenohypophysis.
TSH is the hormone produced by the pituitary gland that tells the thyroid to produce the thyroid hormones T4 and T3.
Insulin (pg. 87 nutrition and diet therapy)
Thyroid stimulating hormone (TSH) stimulates the thyroid gland to produce T4 (Thyroxine).
Growth Hormones and Precursors of T3 and T4 hormones for thyroid gland
The thyroid gland secretes both of these. Thyroxine or T4 is the most prevalent secretion of the thyroid - it is the inactive form of tri-iodothyronine (T3) which is important for regulation of metabolism. T3 and T4 are secreted by the follicular cells. Calcitonin is secreted by the parafollicular cells of the thyroid gland and acts to decrease blood calcium levels.
thyroxine (T4) and triiodothyronine (T3)
thyroxine (T4) and triiodothyronine (T3)
t3 is tjnrk;sjdfnhdsf and t4 is ttkjdsbgf;jdbfvgk;jdfbg;a
When the thyroid receives thyroid stimulating hormone (TSH) from the pituitary gland it produces triiodothyronine which is commonly referred to as T3, and thyroxine which is commonly referred to as T4. These hormones regulate the metabolism, protein synthesis and sensitivity to other hormones in the body.
The thyroid is a gland situated in the neck area that secretes hormones. Thyroxin is a hormone that is released by the thyroid gland, along with iodothyronin and calcitonin.
Located in the lower front of the neck near the trachea, the thyroid gland is small but very important. The function of the thyroid gland is to take iodine which is found in many foods and convert it into thyroid hormones: thyroxine (T4) and triiodothyronine (T3). Thyroid cells are the only cells in the body which can absorb iodine. These cells combine iodine and the amino acid tyrosine to make T3 and T4. T3 and T4 are then released into the blood stream and are transported throughout the body where they control metabolism (conversion of oxygen and calories to energy).