. The American journal of roentgenology, radium therapy and nuclear medicine . hownas it is posterior and technically very difficult ofx-ray demonstration. increase in intragastric tension. A stomachnot regularly distended tends to contractas in starvation or when the patient is on asoft diet. The gastric hypertonus may thusrepresent lack of gastric distension, theproduct of hyperperistalsis and initialhypermotility. A cecum whose elasticityhas become impaired as a secondary resultof an old appendicular inflammatory proc-ess or which offers increased resistancethrough malposition or even a ret
. The American journal of roentgenology, radium therapy and nuclear medicine . hownas it is posterior and technically very difficult ofx-ray demonstration. increase in intragastric tension. A stomachnot regularly distended tends to contractas in starvation or when the patient is on asoft diet. The gastric hypertonus may thusrepresent lack of gastric distension, theproduct of hyperperistalsis and initialhypermotility. A cecum whose elasticityhas become impaired as a secondary resultof an old appendicular inflammatory proc-ess or which offers increased resistancethrough malposition or even a retrocecalappendix will practically always be associ-ated with an atypical form of small intes-tine indicating relative stasis as the resultof recoil from the increased cecal resistancebeyond (Figs. 33 and 34). Clinical medicinefurnishes a number of illustrations of theuntoward results of abnormal modificationsof intravisceral tension of great practicalimportance: The dilatation of the bile- Duodenalulcer stenosisdistal to pylorus; latter shown widely open. i and Fig *2 Permanent divulsion and incompetence olpylorus, the result of distal resistance due to sclerosedduodenal ulcer definitely beyond pylorus. Conditionpossibly suggests cause of duodenal ulcer secondaryindications, hypermotility, hyperperistalsis, andhypertonus through resistance offered and physio-logical response to it. to absorb peristaltic shock on the part ofthe stomach has been impaired throughloss of elasticity (Fig. 35). The lax pyloruscharacteristic of gastric ulcer of the parsmedia is perhaps the result of slight divul-sion through similar conditions (Fig. 36). 212 A-Rav Evidence of Abdominal Small Intestinal States 6. It has been assumed that tensionwithin the alimentary tube if not a con-stant throughout still may be proximallyinfluenced by changes in distal favoring transmission of pres-sure are fairly obvious in the small intes-tine especially in the ileum; very muchless
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