Enterokinase

noun

1. An enzyme secreted by the upper intestinal mucosa that catalyzes the conversion of trypsinogen to trypsin.
2. A kinase found in the intestinal mucous membrane, which renders the pancreatic trypsin physiologically active.
3. An enzyme, secreted by the upper intestinal mucosa, that catalyzes the activation of trypsinogen by converting it to trypsin
4. enzyme in the intestinal juice that converts inactive trypsinogen into active trypsin