Definition of Tryptophan
Tryptophan: An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, tryptophan is necessary for optimal growth of children. Bacteria in the intestine break tryptophan down to compounds that largely are responsible for the unpleasant odor of feces. Symbol: Trp.
Last Editorial Review: 6/14/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?