| Answer | Crossword Clue |
|---|---|
| IODINE | Element used in the production of thyroid hormones |
| strontium | a soft malleable ductile metallic element of the alkaline-earth group occurring only in combination and used especially in color TV tubes, in crimson fireworks, and in the production of some ferrites see element table |
| BORON | Element used in glass production |
| thiouracil | a derivative of thiourea that interferes with the production of thyroid hormones |
| thiouracils | THIOURACIL, a derivative of thiourea that interferes with the production of thyroid hormones |
| thyrotropin | A hormone secreted by the pituitary gland that regulates the production of thyroid hormones |
