synthesis and secretion of thyroid hormone

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11 Terms

1
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Step 1 of TH

Iodide ions into the follicular cell from the blood, and this is controlled by TSH sensitive ion pump

2
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Step 2 of th

Thyroid peroxidase, oxidizes iodide (I-) into iodine(I+)

3
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Step 3 of TH

iodine and thyroglobin and iodine is bonded to tyrosines on thyroglobin

4
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Step 4 of TH

Thyroglobin is endocytosed from colloid

5
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Step 5 of TH

Thyroglobin is broken down in the lysosome. Other free amino acids are recycled.

6
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Step 6 of th

Released thyroid hormones (t3) and (t4) diffuse across membrane into blood

7
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Step 7 of th

Thyroid hormones bind to transport proteins

8
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11
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