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  2. Hyperthyroidism - Wikipedia

    en.wikipedia.org/wiki/Hyperthyroidism

    In addition to testing the TSH levels, many doctors test for T 3, Free T 3, T 4, and/or Free T 4 for more detailed results. Free T 4 is unbound to any protein in the blood. Adult limits for these hormones are: TSH (units): 0.45 – 4.50 uIU/mL; T 4 Free/Direct (nanograms): 0.82 – 1.77 ng/dl; and T 3 (nanograms): 71 – 180 ng/dl. Persons with ...

  3. Thyroid function tests - Wikipedia

    en.wikipedia.org/wiki/Thyroid_function_tests

    Thyroid function tests (TFTs) is a collective term for blood tests used to check the function of the thyroid. [1] TFTs may be requested if a patient is thought to suffer from hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), or to monitor the effectiveness of either thyroid-suppression or hormone replacement therapy.

  4. Thyroid hormones - Wikipedia

    en.wikipedia.org/wiki/Thyroid_hormones

    Thyroid hormones (T 4 and T 3) are produced by the follicular cells of the thyroid gland and are regulated by TSH made by the thyrotropes of the anterior pituitary gland. The effects of T 4 in vivo are mediated via T 3 (T 4 is converted to T 3 in target tissues). T 3 is three to five times more active than T 4.

  5. Thyroxine - Wikipedia

    en.wikipedia.org/wiki/Thyroxine

    The final step in thyroxine synthesis involves the free radical mediated coupling of two DIT residues, catalyzed by TPO, to form T 4 while still attached to the Tg backbone. [5] [6] When thyroid hormone is needed, Tg is internalized by thyrocytes, and proteolytic enzymes in lysosomes cleave the T 4 from Tg, allowing for its release into the ...

  6. Thyroid-stimulating hormone - Wikipedia

    en.wikipedia.org/wiki/Thyroid-stimulating_hormone

    Thyroid-stimulating hormone (also known as thyrotropin, thyrotropic hormone, or abbreviated TSH) is a pituitary hormone that stimulates the thyroid gland to produce thyroxine (T 4), and then triiodothyronine (T 3) which stimulates the metabolism of almost every tissue in the body. [1]

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  8. Sukhoi T-4 - Wikipedia

    en.wikipedia.org/wiki/Sukhoi_T-4

    The Sukhoi T-4, or "Aircraft 100", or "Project 100", or "Sotka" is a Soviet high-speed reconnaissance, anti-ship and strategic bomber aircraft that did not proceed beyond the prototype stage. It is sometimes called the Su-100.

  9. The 20 best white sneakers of 2025 - AOL

    www.aol.com/lifestyle/best-white-sneakers...

    They have the brand’s signature hands-free slip-on design, and they’re great for summertime wear thanks to a breathable mesh upper and cooling memory foam insole. These sneakers are made from ...