goiter -thyroid sono Thyroid gland is a butterfly shaped gland located in front of the neck, which is visible while swallowing. The thyroid gland produces a hormone called thyroxine, under the influence of another hormone called TSH, which is produced by the pituitary gland in the brain. Thyroxine (T4) and Tri-iodothyronine (T3) which is formed from thyroxine, are responsible for the body’s normal metabolic function.. 2009. 9. 14. 이전 1 다음