Of the Two Thyroid Hormones,T₃ is More Abundant but T₄

Question

Of the two thyroid hormones,T3is more abundant but T4is more potent.

Accepted Answer

T₃ (also known as thyroxine or T4) is more abundant but less potent than T₄ (also known as triiodothyronine or T3). T3 has a higher affinity for thyroid hormone receptors and can more efficiently activate gene transcription compared to T4.

Of the two thyroid hormones,T3 is more abundant but T4 is more potent.

Of the two thyroid hormones,T₃ is more abundant but T₄ is more potent.