- (S)-2-amino-3-methylbutanoic acid
- valine (substance)
- A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.
Definition from: MSH via Unified Medical Language System at the National Library of Medicine
- Amino acid with side chain -CH(CH3)2.
Definition from: NCI via Unified Medical Language System at the National Library of Medicine
See also Understanding Medical Terminology.