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Glossary of Physiology Terms
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Definition:
The enzyme found in target tissues of the thyroid hormones that converts thyroxine (also known as tetraiodothyronine or T4) to triiodothyronine (T3).

Specifically, 5'-deiodinase converts T4 to the active form of the thyroid hormone, T3.

5-Deiodinase converts T4 to the inactive form of the thyroid hormone, reverse T3 (rT3).









Posted: Sunday, March 31, 2013
Last updated: Friday, August 28, 2015