. / ^»c^ ViGS. 233, 234—Arthritis of Carpus. 233—Longitudinal section through carpus. A, Intra-articuhir abscesses ; B, pre-carpal abscess ; C, post-carpal abscess. 234—Cross section of 233 showing articular surfaces of carpal bones. AB, Purulent destruction of articular cartilage. of bacteria from the blood stream as well as from the ex- terior. The opportunity for bacterial invasion from the blood stream is further favored by the presence of some ne- crotic blood which escaped into the umbilic connective tis- sue during the retraction of the umbilic arteries. An even more dangerous condition
. / ^»c^ ViGS. 233, 234—Arthritis of Carpus. 233—Longitudinal section through carpus. A, Intra-articuhir abscesses ; B, pre-carpal abscess ; C, post-carpal abscess. 234—Cross section of 233 showing articular surfaces of carpal bones. AB, Purulent destruction of articular cartilage. of bacteria from the blood stream as well as from the ex- terior. The opportunity for bacterial invasion from the blood stream is further favored by the presence of some ne- crotic blood which escaped into the umbilic connective tis- sue during the retraction of the umbilic arteries. An even more dangerous condition exists in the umbilic vein, where some residual blood invites bacteria and, if in addition the umbilic stump has been ligated, the entire functionless um- bilic veins are distended with great masses of blood incar- cerated by the ligature. The articular lesions consist chiefly at first of intense synovitis with great distension of the synovial sac. There follow later necrosis and erosions of the articular cartilages, as shown in Figs. 238 and 234. The synovia may bo bloody and (ui'bid. and may contain syno\ial
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Keywords: ., bookauthorwilliams, bookcentury1900, bookdecade1920, bookyear1921
