Is Tetraiodothyronine a Thyroid Hormone?

Thyroxine, also known as T4, is a type of thyroid hormone. This test measures the level of T4 in your blood.

Is tetraiodothyronine the same as thyroxine?

The full name of T3 is triiodothyronine, and T4's full name is tetraiodothyronine or thyroxine. T3 and T4 control your body's metabolism. If you don't have enough of these hormones, then your metabolism slows down.

What are the 3 thyroid hormones?

The thyroid gland produces three hormones: Triiodothyronine, also known as T3. Tetraiodothyronine, also called thyroxine or T4. Calcitonin.