National Cancer Institute Thesaurus

Last uploaded: February 23, 2024
Id http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C888
http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C888
Preferred Name

Levothyroxine Sodium

Definitions
The sodium salt of levothyroxine, a synthetic levoisomer of thyroxine (T4) that is similar to the endogenous hormone produced by the thyroid gland. In peripheral tissues, levothyroxine is deiodinated by 5'-deiodinase to form triiodothyronine (T3). T3 enters the cell and binds to nuclear thyroid hormone receptors; the activated hormone-receptor complex in turn triggers gene expression and produces proteins required in the regulation of cellular respiration; thermogenesis; cellular growth and differentiation; and the metabolism of proteins, carbohydrates and lipids. T3 also exhibits cardiostimulatory effects.
Synonyms
Therapeutic Levothyroxine
LEVOTHYROXINE SODIUM
Levothyroxine sodium
Levothyroxine Sodium
Thyroid hormone replacement
Sodium levothyroxine
Levothroid
Synthroid
Type http://www.w3.org/2002/07/owl#Class
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