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Triiodothyronine - T3

By , About.com Guide

Updated January 05, 2004

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Definition: The stronger of the two key hormones produced by the thyroid gland, and also produced from the conversion of thyroxine (T4).
Also Known As: T3
Alternate Spellings: Tri-iodothyronine
Common Misspellings: Triodothyronine, 3T

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