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Definition of Thyronine
1. Noun. A phenolic amino acid of which thyroxine is a derivative.
Definition of Thyronine
1. Noun. (amino acid) A phenolic amino acid that occurs naturally only in the iodinated form of thyroxine ¹
¹ Source: wiktionary.com
Medical Definition of Thyronine
1. HOC6H4-O-C6H4-CH2-CHNH2-COOH;an amino acid with a diphenyl ether group in the side chain; occurs in proteins only in the form of iodinated derivatives (iodothyronines), such as thyroxine. (05 Mar 2000)