单词	triiodothyronine
释义	triiodothyronine /trʌɪˌʌɪədə(ʊ)ˈθʌɪrəniːn / noun [mass noun] Biochemistry A thyroid hormone similar to thyroxine but having greater potency.Human beings require iodine for the production of the thyroid hormones, thyroxine and triiodothyronine.... The vertebrate thyroid gland produces two iodinated amino acids, thyroxine and triiodothyronine, which regulate diverse aspects of development, metabolic stimulation and metamorphosis. Thyroid-function test findings might be consistent with the euthyroid sick syndrome, with low triiodothyronine and thyroxine levels and a normal thyroid-stimulating hormone level.
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