Medical Dictionary

nonessential amino acid

noun

Medical Definition of NONESSENTIAL AMINO ACID

:  any of various alpha-amino acids which are required for normal health and growth, which can be synthesized within the body or derived in the body from essential amino acids, and which include alanine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine

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