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Endocrine functions of Thyroid gland are regulated by anterior pituitary
(thyroid stimulating hormone
) is a hormone secreted by anterior pituitary gland.
It stimulates thyroid gland to produce triiodothyronine
(T-3) and thyroxine
When T-3 & T-4 level in the body are low, anterior pituitary secrets more TSH, to stimulate thyroid gland, to produce more T-3 & T-4.
The normal range for T-3, T-4 and TSH are following:-
(i) tT-3 : 1.00-2.70 nmol/L
(ii) fT-4 : 11-25 pmol/L
(iii) TSH : 0.3-4.0 mU/L
Your T-3 level is high. You may contact an Endocrinologist
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