The mechanism by which complex PROTEIN molecules are broken down by digestive enzymes (see PROTEASE) in the stomach and small intestine. The constituent AMINO ACIDS are then absorbed into the bloodstream.
n. the process whereby complex protein molecules, obtained from the diet, are broken down by digestive enzymes in the stomach and small intestine into their constituent amino acids, which are then absorbed into the bloodstream. See endopeptidase; exopeptidase. —proteolytic adj.