. Radiography, X-ray therapeutics and radium therapy . / Fig. 165.—Diagrams showing stages of filling of stomach by opaque meal. (After Hertz.) (a) Stomach as seen after a bismuth meal showing depressions produced by peristaltic waves. (b) Half-filled stomach in vertical position, depressions caused by peristaltic waves not shown. (c) Filled stomach in horizontal position as seen with the X-rays. (d) Half-filled stomach in horizontal position as seen with the X-rays. (e) Filled stomach in vertical position as seen with the X-rays. (/) Superimposed outlines of empty, half-tilled, and full stoma
. Radiography, X-ray therapeutics and radium therapy . / Fig. 165.—Diagrams showing stages of filling of stomach by opaque meal. (After Hertz.) (a) Stomach as seen after a bismuth meal showing depressions produced by peristaltic waves. (b) Half-filled stomach in vertical position, depressions caused by peristaltic waves not shown. (c) Filled stomach in horizontal position as seen with the X-rays. (d) Half-filled stomach in horizontal position as seen with the X-rays. (e) Filled stomach in vertical position as seen with the X-rays. (/) Superimposed outlines of empty, half-tilled, and full stomach as seen with the X-rays in thevertical position. quently above the umbilicus. The junction between the horizontal and de-scending portions of the duodenum is fixed, but the pylorus is mobile, and in thehalf-filled stomach it is situated distinctly lower in the erect than in the recumbentposition. The fundus does not drop from the diaphragm when the erect positionis assumed, but, as the diaphragm itself falls slightly, the fundus is also a little
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