Labels:text | screenshot | black and white | black | document OCR: Uncoupled mono- and diiodotyrosines e. The deiodinated to release tyrosine and iodic inally, T4 iodide is largely recycled in the thyroid. some intactand T3 are secreted into the circulation. thyroglobulin is also released from the t oid, T3 is While T4 is produced entirely by the thy iyroid. on from T4 mainly produced by peripheral conversi r pituitary in cells of the kidney, liver, heart, anteri and other tissues
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