During development of the fetus, this structure begins at a duct in the foramen cecum region of the tongue.
During development of the fetus, this structure begins at a duct in the foramen cecum region of the tongue. One condition where this structure is overactive is known as Graves disease. Parafollicular cells in this structure produce a substance that reduces the level of calcium two plus ions in the blood, while the two main hormones produced in this structure are derived from the amino acid tyrosine. Iodine deficiency leads to a swelling of this organ known as a goiter. For 10 points, name this largest endocrine gland in the body found in the neck which produces the T3 and T4 hormones.
During development of the fetus, this structure begins at a duct in the foramen cecum region of the tongue.
{thyroid} gland