. The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent; designed for the use of practitioners and students . Fin. 75. Gertrude S., 25 years old. X-ray outlines of normal chest. (One-third life size.) These outlines, including those of the ribs and clavicles, are reduced photographically from thetracing made of the outlines drawn on the front of the patients thorax. The full lines, withthe exception of the outlmes of the bones, indicate the position of the parts in deep inspiration;the broken lines in expiration; the dotted line shows about the limit of th
. The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent; designed for the use of practitioners and students . Fin. 75. Gertrude S., 25 years old. X-ray outlines of normal chest. (One-third life size.) These outlines, including those of the ribs and clavicles, are reduced photographically from thetracing made of the outlines drawn on the front of the patients thorax. The full lines, withthe exception of the outlmes of the bones, indicate the position of the parts in deep inspiration;the broken lines in expiration; the dotted line shows about the limit of the bright pulmonary area. The ribs on the back are not shown, as they would confuse the picture. The target of the vacuum tube was placed under the point where the line joining the nippleswas crossed by the median line. from 5 to 7.] centimetres deep. It has seemed to me that the was normally darker than the left apex (I have not yet comparedthe chests of left-handed persons with right-handed persons of the samebuild). The normal brightness of the lungs during full inspiration and INTRODUCTION TO THORAX 103 expiration should be obs
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