TT4 Pusa Su'ega

Thyroxine (T4), poʻo le 3,5,3',5'-tetraiodothyronine, o se hormone thyroid e iai le mamafa mole mole e tusa ma le 777Da lea e tuʻuina atu i totonu o le taʻavale i se fua fua, ma sili atu i le 99% o loʻo fusia i polotini i le plasma ma la'ititi tele o le T4 (FT4) e leai se saisaitia i polotini i le plasma.O galuega autu a le T4 e aofia ai le faʻatumauina o le tuputupu aʻe ma le atinaʻe, faʻaleleia le metabolism, gaosia o le neurological ma le cardiovascular aʻafiaga, faʻamalosia le atinaʻeina o faiʻai, ma o se vaega o le hypothalamic-pituitary-thyroid hormone regulatory system, lea e iai sona sao i le faʻatonutonuina o le metabolism o le tino.TT4 o lo'o fa'atatau i le aofa'i o le thyroxine saoloto ma fusifusia i totonu o le toto.O le su'ega TT4 o lo'o fa'aaogaina ile falema'i e fai ma su'esu'ega fesoasoani ole thyroid dysfunction, ma o lona fa'atuputeleina e masani ona va'aia ile hyperthyroidism, subacute thyroiditis, serum thyroxine-binding globulin (TBG), ma thyroid hormone insensitivity syndrome;o lona faʻaitiitia o loʻo vaaia i le hypothyroidism, thyroid deficiency, lymphoid Goiter tumau, ma isi.