Synonym for radioactive thyroxine ... Thyroxine in which a radioisotope of iodine (125I or 131I) is incorporated into its molecule; used in experiments tracing the metabolism of thyroxine. ... Synonym: labelled thyroxine, radiolabelled thyroxine, radiothyroxin. ... (05 Mar 2000) ... 
Type: Term Pronunciation: rā′dē-ō-thī-rok′sin Synonyms: radioactive thyroxine