. The Röntgen rays in medical work . 152. ANATOMY OF BLOODVESSELS The injection of bloodvessels by some material opaque to therays, and then subjecting them to the new method, opens up awide field of anatomical investigation. In this way Dr. F. J. Clen-dinnen, of Melbourne,* demonstrated the arteries of a seven- * International Medical Journal of Australasia, October 20, 1896, p. 611. MEDICAL AND SURGICAL APPLICATIONS 235 months foetus, which he had injected with a solution of red particular salt was used because, as the result of previousexperiments, he had come to the conclusion th
. The Röntgen rays in medical work . 152. ANATOMY OF BLOODVESSELS The injection of bloodvessels by some material opaque to therays, and then subjecting them to the new method, opens up awide field of anatomical investigation. In this way Dr. F. J. Clen-dinnen, of Melbourne,* demonstrated the arteries of a seven- * International Medical Journal of Australasia, October 20, 1896, p. 611. MEDICAL AND SURGICAL APPLICATIONS 235 months foetus, which he had injected with a solution of red particular salt was used because, as the result of previousexperiments, he had come to the conclusion that red was moreopaque than other colours. His record afforded a sharp andbeautiful diagrammatic view of the arteries, even where theypassed behind the fcetal bones. A peculiarity such as that ofdouble high division of the brachial artery was well shown. In a later issue of the same journal (January 20, 1897), published some further illustrations obtained in asimilar way. They showed the arteries about the knee and the. Fig. 96.—Injected Bloodvessels of Human Dawson Turner. ankle-joint. The small muscular twigs and other minute brancheswere reproduced with the utmost fidelity. There can be no doubt that this method may now and thenafford a valuable means of showing in a graphic manner thefacts of local blood-supply, both in normal and in pathologicalspecimens. As an instance of the latter, a perfect picture couldbe obtained of circulation by anastomoses, say, in a case whereduring life the femoral artery had been tied for aneurism, or inthe stump of an amputated limb. Dr. Clendinnen adds that in one case he obtained from theliving body a good record of the popliteal artery. This observa- 19 236 THE RONTGEN RA YS IN MEDICAL WORK vation is valuable, and perhaps points to the time when a fullerknowledge of conditions in relation to results will bring the blood-vessels under command of the Eontgen ray worker.
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