triiodothyronine
Triiodothyronine (T3) is an important thyroid hormone that controls metabolism and growth processes in the body. It is largely produced outside the thyroid gland from the hormone thyroxine (T4) and is the most biologically active form of thyroid hormone. Changes in T3 levels in the blood can indicate hyperthyroidism or hypothyroidism, which doctors diagnose by measuring the level of free triiodothyronine (fT3). Function and significance Metabolic regulation: T3 is essential for ... Continue reading