Hiatus hernia, pyloric muscle hypertrophy and contracted pyloric segment in adults.

摘要: The incidence of a contracted prepyloric segment in cases hiatus hernia adults was determined at barium meal examinations, and found to be 16.5 per cent.A similar appearance could brought about experimentally dogs by stimulating the intrahiatal parts either right or left vagus. In all experimental animals this contraction occurred, being clearly confined specialized fibers muscularis propria known as sphincteric cylinder pylorus, fanshaped muscle canalis egestorius. This indicates vagus reflex, described here for first time, called hiatal-pyloric reflex.The is due hypertrophic pyloric stenosis some cases. most it less severe but simulates condition anatomically roentgenologically, pseudohypertrophic stenosis. Roentgenologists should comment on state area hernia, may have bearing surgical treatment.