triiodothyronine

(noun)

the most powerful thyroid hormone, affecting almost every process in the body, including body temperature, growth, and heart rate

Related Terms

Examples of triiodothyronine in the following topics:

  • Thyroid Gland

    • The thyroid gland produces the hormones T3 (triiodothyronine) and T4 (thyroxine).

  • Hormonal Regulation of Metabolism

    • The basal metabolic rate, which is the amount of calories required by the body at rest, is determined by two hormones produced by the thyroid gland: thyroxine, also known as tetraiodothyronine or T4, and triiodothyronine, also known as T3.