From these results it is permissible to draw the following conclusions which may be used to explain certain phenomena associated especially with the onset of acute pancreatitis.
1. The sudden marked collapse of acute pancreatitis has as its most important cause a toxin or toxins derived from broken down pancreatic tissue. This toxin or toxins seem to be most powerful in the stage of degradation just after the disappearance of the biuret reaction and are probably of the nature of aromatic and amino-compounds.
2. There are various contributing factors of toxic action as peptone and trypsin, but these are to be regarded as of secondary importance.
3. Mechanical irritation as stretching of the peritoneum and irritation of the caeliac plexus is a secondary cause.
4. The glycerine produced through the action of steapsin cannot be regarded as an important cause of collapse.