triiodothyronine

== English == === Etymology === From tri- +‎ iodothyronine. === Noun === triiodothyronine (countable and uncountable, plural triiodothyronines, abbreviation T3) (biochemistry) A thyroid hormone, with the chemical formula C15H12I3NO4, affecting almost every process in the body, including body temperature, growth, and heart rate. ==== Translations ==== === See also === thyroxine