THYROID HORMONES – pathology demonstrates very obvious S&S ...

Represents about 10% of the thyroid hormone by the thyroid. Is about 4x as active or potent as T4. Is found in the blood in much lower amounts then T3. T3 is the active form of thyroid hormone. Has a much shorter half-life than T4. About 80% of serum concentration results from conversion of T4 to T3. T4 (3,5,3,5-tetraiodoithyronine) ................
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