File:Radiography, x-ray therapeutics and radium therapy (1915) (14755890664).jpg

Identifier: radiographyxray00knox (find matches)
Title: Radiography, x-ray therapeutics and radium therapy
Year: 1915 (1910s)
Authors: Knox, Robert, 1868?-1928
Subjects: Radiography Radiotherapy
Publisher: New York, Macmillan
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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Text Appearing Before Image:
Fig. 164.—The position of the emptystomach. Diagrammatic representa-tion of the screen examination.(Hertz.)
Text Appearing After Image:
PLATE XLII.—Stomach showing Pyloric Stenosis. a, Marked delay in emptying caused by cicatricial contraction resulting from healed gastric ulcer. h, Four 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 lelaxed 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. hi

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