This monograph is a summary of observations collected over the past ten years on vagal denervation of the stomach and the functional pathology of the vagotomized stomach. It is primarily a continuation of the work we (Holle and Heinrich, 1954) began with fundectomy - the prototype of proximal dener vation of the stomach. This was the starting point for the develop ment of selective proximal vagotomy (SPV). Between 1961 and 1964 the SPY technique was developed to the extent that it could be applied clinically from January 1,1964. Like most clinical innovations, the development took place in...