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T3 (triiodothyronine) and T4 (thyroxine) are produced in the thyroid gland, which is located in the front of the neck. The thyroid cells, specifically the follicular cells, synthesize these hormones from iodine and the amino acid tyrosine. T3 and T4 play crucial roles in regulating metabolism, growth, and development in the body.

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2w ago

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How are T3 T4 and TSH related?

TSH is the hormone produced by the pituitary gland that tells the thyroid to produce the thyroid hormones T4 and T3.


What is T3 and T4 and T1 and T2?

T3 and T4 are hormones produced by the thyroid gland that regulate metabolism. T3 is triiodothyronine, and T4 is thyroxine. T1 and T2 are not commonly used medical terms in the context of thyroid hormones.


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Most of the generated T4 is converted to T3 in the liver.


What do the numbers and letters T3 and T4 on a turbocharger mean?

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Are T3 and T4 amines?

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Can you not have hypothyroidism even though you have a high TSH level?

Hi, TSH is the hormone that stimulates the thyroid to release more T3/ T4 hormones (one is converted to the other). If T3 and T4 hormones get low, more TSH will be produced and the thyroid will release more T3/T4. So TSH can be high in response to a short-term dip in T3/T4 levels which can be caused by medicine or as the body's response to a virus or infection. www.about.com has some very good information about thyroid issues.


Is T3 or T4 more active in the body's metabolic processes?

T3 is more active than T4 in the body's metabolic processes.


What is the name of T4 primary hormones that is secreted by the thyroid gland?

Upon stimulation by thethyroid-stimulating hormone (TSH), the follicular cells reabsorb Tg and cleave the iodinated tyrosines from Tg in lysosomes, forming T4 and T3(in T3, one iodine atom is absent compared to T4), and releasing them into the blood


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The supplement contains active T3.


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Hyperthyroidism would be a condition in which T3 and T4 are at increased levels.


What is t3 made from?

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