Canadian Medical Guide > Chemicals and Drugs > Hormones, Hormone Substitutes, and Hormone Antagonists > Hormones > Thyroid Hormones > Thyroxine Terms and Definitions




Thyroxine

Medical Definition: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.
Guide Notes: /blood: consider also HYPERTHYROXINEMIA
Also Called: Eltroxine,Levothyroid,Levothyroxine Sodium,Levoxine,Levoxyl,Novothyral,Synthroid
CAS Type 1 Name: CAS Number: 7488-70-2

Thyroxine Medical Definitions and Terms

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