For 10 points, name this endocrine gland in the neck.
It's not the ear or kidney, but the transport proteins pendrin and NIS are located in this organ. Uncommon cancers of this organ include HÃ¼rthle cell carcinoma and a "medullary" carcinoma. A peroxidase named for this organ creates modified tyrosine residues and can be inhibited by propylÂ·thioÂ·uracil or methimazole. People with low function of this organ are treated with (*) Synthroid. One autoimmune disorder of this organ often presents with inflamed and bulging eyeballs. Patients with Down syndrome often overproduce TSH to compensate for this gland's underproduction of T3 and T4. Enlargement of this gland due to an iodine deficiency is called goiter. For 10 points, name this endocrine gland in the neck.
It's not the ear or kidney, but the transport proteins pendrin and NIS are located in this organ.
thyroid gland (The autoimmune disorder is Graves' disease.)