A type of amino acid which breaks down into an intermediate of the citric acid cycle, then converts into the sugar glucose, as a means of entering the normal process of carbohydrate metabolism in the body. Glycine, alanine, arginine, and ornithine are examples of glucogenic amino acids.

From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.