to estimate the relative participation of transported and intrathyroidally generated iodide ( internal iodide ) in the iodination of newly synthesized and preexisting thyroglobulin ( tg ) in the rat thyroid , the specific radioactivities ( sras ) of thyroid iodide , tg , lysosomal iodine , and plasma hormones were followed for 92 h after radioactive iodide injection in intact or hypophysectomized rats .
C0040132
thyroid
C0040123
tg