Definition of Alanine
Alanine: An amino acid, one of the 20 building blocks of protein. It is not essential to the diet, as it can be made by the body from other substances. Alanine was discovered in protein in 1875. Symbol: Ala.
Last Editorial Review: 9/20/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?
Get the latest health and medical information delivered direct to your inbox FREE!