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thyroid hormone
thy·roid hor·mone (plural thy·roid hor·mones)


noun 
Definition:
 
hormone secreted by thyroid gland: either of the two hormones, thyroxine and triiodothyronine, that are secreted by the thyroid gland and regulate body metabolism and growth
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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