American practice of surgery : a complete system of the science and art of surgery . ^csii- 7. .•^jMsw;--;. ;y 5 iS-^^-^^ ^-:!? ^v •?•-;;:V,-,.?^.•v;^^V.\ •-. ? ;r ???•••?-. /v;- P\^^^;f-- :-•? , - • PROCESSES OF REPAIR. PROCESSES OF REPAIR. 283 forms a large, fusiform mass, including the fractured ends. At first no distinc-tion can be made between the cells which arise from the periosteum and thosewhich arise from the soft tissues. When trabeculse form in the callus they mayform directly from the osteogenetic granulation tissue, as in the simplest formof drill-hole fracture; or, more


American practice of surgery : a complete system of the science and art of surgery . ^csii- 7. .•^jMsw;--;. ;y 5 iS-^^-^^ ^-:!? ^v •?•-;;:V,-,.?^.•v;^^V.\ •-. ? ;r ???•••?-. /v;- P\^^^;f-- :-•? , - • PROCESSES OF REPAIR. PROCESSES OF REPAIR. 283 forms a large, fusiform mass, including the fractured ends. At first no distinc-tion can be made between the cells which arise from the periosteum and thosewhich arise from the soft tissues. When trabeculse form in the callus they mayform directly from the osteogenetic granulation tissue, as in the simplest formof drill-hole fracture; or, more often, the first step is a conversion of the granu-lation tissue into hyaline cartilage. As the process advances, the deeper layersof this cartilage—those nearest the cortical bone—are converted (metaplasia)into bone, and the process continues until the greater portion of the callus be- 3 tr-^- ? ,-. -- ,-? :? - ? ^^im *:* ?V- ? •? V €> ^m- ¥ ?-:c- ^M ?i^<^ \ ^ ?-/


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Keywords: ., bookauthorbuckalbe, bookcentury1900, bookdecade1900, bookyear1906