NCIt definition : A recombinant form of thyroglobulin identical to or similar to the endogenous iodine-containing
glycoprotein. Thyroglobulin is synthesized in the thyroid follicular cell, and is
the precursor of thyroid hormones T3 and T4. Thyroglobulin levels can serve as a tumor
marker for monitoring the status of differentiated thyroid carcinomas.;