An enzyme secreted by the small intestinal mucosa which activates trypsinogen (from the pancreatic juice) to the active proteolytic enzyme.
An enzyme produced by glands in the small intestine.
An enzyme secreted by the glands of the small intestine that acts on trypsinogen to produce trypsin. It is part of the succus entericus.
An enzyme of the duodenal mucosa that converts pancreatic trypsinogen to active trypsin. Formerly called enterokinase.