Tags: Protein.
Thyroglobulin (Tg) is a 660 kDa dimeric protein produced by and used entirely within the thyroid gland. Tg bound to T3 and/or T4 is sometimes called a colloid.Thyroglobulin should not be confused with Thyroxine-binding globulin a carrier protein responsible for carrying the thyroid hormones in the blood.Thyroglobulin is produced by the follicular cells of the thyroid.
