Morton, Edward Reginald, 1867- · New York : E.B. Treat & Co. · leaf 218
operation at the pyloric end can be easily watched.If we follow a peristaltic wave towards the pylorus it isseen to get deeper and narrower, forming a deep cleftwhich is joined by another from the opposite side as itapproaches the pylorus—just as if a tight ligature werebeing passed along and… … THE SEMI-CIRCULAR SHADOW ABOVE THE EPISTERNAL NOTCH SHOWSAN OESOPHAGEAL POUCH. It was not untilethis was filled that the food passed down the oesophagus—the sinuous line between the heart and vertebras. The upper end of the aorta is seen just below the inner .ends of the clavicles where they…