Liothyronine

1 definition found

From WordNet (r) 2.0 [wn]:

  liothyronine
       n : thyroid hormone similar to thyroxine but with one less
           iodine atom per molecule and produced in smaller
           quantity; exerts the same biological effects as thyroxine
           but is more potent and briefer [syn: {triiodothyronine},
           {T}]