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Submitted November 2, 2024
Published 2026-02-02

Artículos de Investigación

Vol. 33 No. 2 (2020): Revista Médico Científica

EXPERTS IN PHYSIOLOGY: SUMMARY ON WHATYOU NEED TO KNOW ABOUT THYROID HORMONES


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Citación:
DOI: ND

Published: 2026-02-02

Abstract

The thyroid gland secretes two important hormones, thyroxine and triiodothyronine. It is now known that a more selective regulation of the synthesis of triiodothyronine from the deiodination of thyroxine in target tissues exist. This allows a greater availability of hormone in certain tissues, according tophysiological needs, and conversely protects it from excessively high levels of said hormone. The thyroid gland has the ability to store and self-regulate the entry of iodine into it and to divert hormonal synthesis towards triiodothyronine in the face oflow iodine intake. In addition to nuclear receptors, other receptors for thyroid hormones are known and are located in the mitochondria and on the surface of the plasma membrane; their effects are essential in development, growth and metabolism.

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