Question

Is thyroid-stimulating hormone is thyroxine

Answer 1

Thyroid-stimulating hormone and  the Thyroxine:

The pituitary gland is divided into two parts, front (anterior) and back (posterior). The anterior part produces several types of important hormones like TSH (Thyroid-stimulating hormone).

Thyroid-stimulating hormone (TSH) stimulates the Thyroid gland to produce Triiodothyronine (T3)  and Thyroxine (T4).

So the Thyroxine (T4) is not a Thyroid-stimulating hormone (TSH), but the Thyroid-stimulating hormone (TSH) is the main cause of producing of Thyroxine (T4) hormones.

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The Thyroid-stimulating hormone or TSH