Radiography, X-ray therapeutics and radium therapy (1916) (14758033822)

Identifier: radiographyxrayt00knox (find matches)
Title: Radiography, X-ray therapeutics and radium therapy
Year: 1916 (1910s)
Authors: Knox, Robert, 1868-1928
Subjects: Radiography Radiotherapy Radium
Publisher: New York : Macmillan
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive



Text Appearing Before Image:
Fig. 164.-stomach.tion of(Hertz.) The position of the emptyDiagrammatic representa- the screen examination.
Text Appearing After Image:
PLATE XLII.—Stomacb bhowing Pyloric Stenosis. a, Marked delay in emptying caused by cicatricial contraction resulting from healed gastric ulcer./.. Fou) hours after—food taken. Shows food passing along duodenum. c, Eight hours after—food still in stomach. The organ is not now contracting well. POSITION OF THE STOMACH 213 pyloric vestibule becomes slightly smaller as it approaches the pyloric canal.The pyloric canal is always closed, except when chyme is passing through it intothe duodenum, although its cavity is generally more or less expanded in post-mortem specimens. Even when the sphincter is relaxed for the passage of food,the canal is so narrow that nothing more than a very fine line can be seen with theX-rays, joining the gastric and duodenal shadows. In the vertical position thegreater curvature almost always reaches below the umbilicus, the average dis-tance being 2; cm. in men and 5 cm. in women. In the horizontal position thegreater curvature is on an average 6 cm. hig