More on hyperthyroidism from Fact Monster:

• thyroid gland - thyroid gland thyroid gland, endocrine gland, situated in the neck, that secretes hormones ...
• beriberi - beriberi beriberi , deficiency disease occurring when the human body has insufficient amounts of ...
• radioactive isotope - radioactive isotope radioactive isotope or radioisotope,natural or artificially created isotope of ...
• Encyclopedia: Anatomy and Physiology - Encyclopeadia articles concerning Anatomy and Physiology.

See more Encyclopedia articles on: Anatomy and Physiology