Sentence Examples


  • In the United States, newborn infants between 24 and 72 hours old are tested for congenital thyroid deficiency (cretinism) using a test that measures the levels of thyroxine in the infant's blood.
  • Hypothyroidism, or underactive thyroid, develops when the thyroid gland fails to produce or secrete as much thyroxine (T4) and triiodothyonine (T3) as the body needs.
  • Thyroxine (T4)-The thyroid hormone that regulates many essential body processes.
  • Triiodothyronine (T3)-A thyroid hormone similar to thyroxine but more powerful.