NCIt related terms : L-3,5,5'-tetraiodothyronine; thyroxin;
NCIt definition : A hormone synthesized and secreted by the thyroid gland containing four iodine atoms
and is converted to triiodothyronine (T3) in the body, influencing metabolism and
organ function.;
Alternative definition : NCI-GLOSS: A hormone that is made by the thyroid gland and contains iodine. T4 increases
the rate of chemical reactions in cells and helps control growth and development.
T4 can also be made in the laboratory and is used to treat thyroid disorders.;
Codes from synonyms : CDR0000533434; CDR0000556436; CDR0000556433; CDR0000556432;