. Surgical differentials. healing under Schedes moist blood clot. (7) The various processes of the inflammatory condition,although they are recognizedly diverse and in spite of the fact •26 EXTENT OF INFLAMMATORY PROCESS. that they extend over very wide fields, viz.—those in whichthe injury is inflicted, and those upon which its recovery takesplace, must be recognized as part and parcel of one contin-uous interrupted process. Whoever looks upon them as sepa-rate cannot possibly clearly understand them. Furthermore,inflammation once clearly understood, constitutes by all oddsthe most important
. Surgical differentials. healing under Schedes moist blood clot. (7) The various processes of the inflammatory condition,although they are recognizedly diverse and in spite of the fact •26 EXTENT OF INFLAMMATORY PROCESS. that they extend over very wide fields, viz.—those in whichthe injury is inflicted, and those upon which its recovery takesplace, must be recognized as part and parcel of one contin-uous interrupted process. Whoever looks upon them as sepa-rate cannot possibly clearly understand them. Furthermore,inflammation once clearly understood, constitutes by all oddsthe most important stepping stone to a basic interpretationof the science and art of surgery. It must be rememberedthat not a. solitary lesion exists which is unaccompanied by•one or other, or all of the forms of the inflammatory process-here described. CHAPTER III. THE ARTERIES AND THE VEINS. This chapter may be well introduced by a sketch showingthe smallest, the least known and the most frequently askedtriangle in the body. Fig. A. /njcrtc? O. nyfii.) 4**c£TeL ^e Oyupi ANEURISM. This is the most important surgical disease of the will not be amiss to apply the scheme from Chapter I in thisinteresting lesion. Definition,—An aneurism is a pulsating swelling, filledwith blood and communicating with an artery. Etiology,—The predisposing causes. Age ? Period of active life. Sex? Male more liable. Color? Said to be more common in the negro. 28 PATHOLOGY OF ANEURISM. Occupation ? Hard labor. Traumatic aneurism was fourtimes more common after the Civil War than it is to-day. Exciting Causes? Spontaneous aneurisms may be due tocongenital defects or to the toxins of a hypothetical germ(syphilis). Traumatic aneurisms, usually seen on the extremi-ties and not infrequently in the popliteal space, are the directresult of trauma. Popliteal aneurisms are commonly said tobe of frequent occurrence in grooms and liveried footmen whoare obliged to dress in very tight pants and stand
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