2. Is Ellie correct in thinking that TSH is a thyroid hormone? Why is her TSH level low instead of high?

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Petty

Biology

5 April, 17:01

2. Is Ellie correct in thinking that TSH is a thyroid hormone? Why is her TSH level low instead of high?

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Lyric Hamilton · Answer 1

Answer: Ellie is incorrect in thinking TSH is a thyroid hormone. TSH is a pituitary hormone. TSH is the hormone that tells the thyroid to either create more or less of T3 and T4. Ellie's TSH islow because the hypothalamus is telling the pituitary gland to release lower levels of TSH because the thyroid is pumping out to high of levels of T3 and T4.