Tetraiodothyronine

1 definition found

From WordNet (r) 2.0 [wn]:

  tetraiodothyronine
       n : hormone produced by the thyroid glands to regulate
           metabolism by controlling the rate of oxidation in cells;
           "thyroxine is 65% iodine" [syn: {thyroxine}, {thyroxin},
           {T}]