Ngwa ule TT4

Thyroxine (T4), ma ọ bụ 3,5,3',5'-tetraiodothyronine, bụ homonụ thyroid nke nwere oke molekụla dị ihe dị ka 777Da nke ewepụtara na mgbasa n'ụdị n'efu, yana ihe karịrị 99% jikọtara ya na protein na plasma. obere T4 (FT4) n'efu na-ejikọtaghị na protein na plasma.Isi ọrụ nke T4 gụnyere ịnọgide na-eto eto na mmepe, na-akwalite metabolism, na-emepụta neurological na obi mmetụta, na-emetụta ụbụrụ mmepe, na ọ bụ akụkụ nke hypothalamic-pituitary-thyroid hormone regulatory usoro, nke na-ekere òkè n'ịhazi nke ahụ metabolism.TT4 na-ezo aka na nchikota nke thyroxine n'efu na nke agbụ na ọbara.A na-eji ule TT4 mee ihe n'ụlọ ọgwụ dị ka nchọpụta inyeaka nke thyroid dysfunction, na mmụba ya na-ahụkarị na hyperthyroidism, subacute thyroiditis, elu serum thyroxine-binding globulin (TBG), na thyroid hormone insensitivity syndrome;A na-ahụ mbelata ya na hypothyroidism, ụkọ thyroid, lymphoid Goiter na-adịghị ala ala, wdg.