Definition of triiodothyronine in English:
triiodothyronine
nountrʌɪˌʌɪədə(ʊ)ˈθʌɪrəniːnˌtrī-īˌōdōˈTHīrəˌnēn
mass nounBiochemistry A thyroid hormone similar to thyroxine but having greater potency.
Example sentencesExamples
- 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.
- The thyroid hormones thyroxine and triiodothyronine are iodinated amino acid derivatives formed by oxidative coupling of two iodinated tyrosine residues in the thyroid protein thyroglobulin.
- 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.
- Subclinical thyroid dysfunction, with abnormal thyroid-stimulating hormone and normal free thyroxine and triiodothyronine levels, also is associated with cardiac changes.