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triiodothyronine
Triiodothyronine
No, it secretes thyroxine (T4) which is later converted into the biologically active triiodothyronine (T3) which in turn affects cells metabolic rate.
Thyroid stimulating hormone, or TSH, stimulates the production of triiodothyronine and thyroxine. TSH comes from the pituitary gland.
No. Thyroxine is also called as tetraiodothyronine. So thyroxine has four iodine atoms and triiodothyronine has three iodine atoms.