| 释义 |
thyroxine /θʌɪˈrɒksiːn / /θʌɪˈrɒksɪn/noun [mass noun] BiochemistryThe main hormone produced by the thyroid gland, acting to increase metabolic rate and so regulating growth and development.- An iodine-containing amino acid; chemical formula: C15H11NO4I4.
The thyroid releases too much of the hormone thyroxine, which increases the person's basal metabolic rate....- Human beings require iodine for the production of the thyroid hormones, thyroxine and triiodothyronine.
- When your thyroid gland produces too much of the hormone thyroxine, you develop hyperthyroidism.
Origin Early 20th century: from thyroid + ox- 'oxygen' + in from indole (because of an early misunderstanding of its chemical structure), altered by substitution of -ine4. |