Answer: thyroxine

AnswerCrossword Clue
thyroxinecommercial form of this compound, obtained from the thyroid glands of animals or synthesized, used in the treatment of hypothyroidism. Symbol: T4
thyroxinean iodine compound, a hormone forming the active principle of the thyroid gland also THYROXIN
thyroxinethe thyroid gland hormone that regulates the metabolic rate of the body