The Röntgen rays in medical work (1899) (14570511597)

Identifier: rntgenraysinmedi00wals (find matches)

Title: The Röntgen rays in medical work

Year: 1899 (1890s)

Authors: Walsh, David

Subjects: X-rays Radiography X-Rays Radiography

Publisher: London : Baillière, Tindall and Cox

Contributing Library: Francis A. Countway Library of Medicine

Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

Text Appearing Before Image:

n the substance of the lungare well and clearly shown. The heart is outlined in front of thechest, and, so far as one can judge, the bones of the sternum arevisible through the less opaque cardiac substance. The delicateshoulder-blade is well recorded, and the lower margin of thethoracic cavity sharply defined by the edge of the midriff. Inthe head, the fangs of some of the teeth can be seen in theirbony sockets, especially in the molars of the lower jaw. Thecartilages of the nose and the ears are faintly shadowed, andvarious muscular and tendinous structures can be made out inthe neck. The abdomen of this cat was by no means so clearly mappedout by the rays, but, nevertheless, contained several valuableindications. The main mass of the liver, for instance, was MEDICAL AND SURGICAL APPLICATIONS 183 sharply outlined in its upper, but diffuse in its lower margin,while a light space beneath it corresponded with the stomach.The broad light band that curved from the centre of the diaphragm

Text Appearing After Image:

Fig. 91.—Half-grown Cat, showing Bronchi, Liver, Heart, etc.Reduced one-half. By Mr. Cox, Parkstone. to the lower part of the lumbar spine appeared to represent largeintestine. Other convolutions of intestine were clearly shown,especially in the case of a coil of gut that had an extremely light 184 THE RONTGEN RAYS IN MEDICAL WORK record near the pelvis. This knuckle of intestine had, mostlikely, been full of gas, and had lain close to the surface of thesensitive plate during exposure. The tendons, passing from the leg to the os calcis behind, andto the instep in front, were plainly pictured in the original print. This photograph has been dwelt upon at some length becauseit gives a good idea of what may b^ hoped for in the future. Itwas taken with a powerful coil, giving a spark of over a foot inlength. Its clearness of definition was largely owing to the factthat the animal was dead, so that there was no blurring of theshadows by the circulator^*t)r respiratory movements. Thereseem

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1899

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