TITh -->
3,5,3'-triiodothyronine
medical dictionary

A thyroid hormone normally synthesised in smaller quantities than thyroxine; present in blood and in thyroid gland and exerts the same biological effects as thyroxine but, on a molecular basis, is more potent and the onset of its effect is more rapid.

Abbreviation: TITh

(05 Mar 2000)