trypsin tryp·sin (trĭp'sĭn)
n.
An enzyme of pancreatic juice that hydrolyzes proteins into smaller polypeptide units.
| trypsin (trĭp'sĭn) Pronunciation Key
An enzyme that aids digestion by breaking down proteins. It is produced by the pancreas and secreted into the small intestine, where it catalyzes the cleavage of peptide bonds connecting arginine or lysine to other amino acids. |