triiodothyronine

Meanings

Plural: triiodothyronines

Noun

• 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
• The most powerful thyroid hormone, affecting almost every process in the body, including body temperature, growth, and heart rate.

Synonyms

liothyronine, T