3,5,3'-triiodothyronine

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3,5,3'-tri·i·o·do·thy·ro·nine (TITh, T3),

(trī-ī'ō-dō-thī'rō-nēn),
A thyroid hormone normally synthesized in smaller quantities than thyroxine; present in blood and thyroid gland and exerts the same biologic effects as thyroxine but, on a molecular basis, is more potent and its onset is more rapid.
References in periodicals archive ?
Characteristics of 3,5,3-triiodothyronine (T3)-uptake system of tadpole red blood cells: effect of endocrine-disrupting chemicals on cellular T3 response.