The below mentioned article provides a short note on the Thyroid Gland. The thyroid gland weighs about 25-30 gm. and consists of closely packed sacs (follicles) filled with proteinaceous colloid. The gland secretes the hormones thyroxine and triiodothyronine. Of a total of 50 mg of iodine in the body, about 10-15 mg are in thyroid. […]