. A practical treatise on fractures and dislocations. .Occasionally the productive process excited by the fracture extends farbeyond the limits of the latter, and not only may the joint itself beobliterated by fusion of the bones which constitute it, but the processmay also spread to and produce the same result in neighboring jointsas in the case represented in Fig. 27. Bones which lie parallel and close to each other, as those of the fore- THE REPAIR OF FRACTURES AND THE CLINICAL COURSE. 63 arm and leg and the ribs, may become united by an exuberanl calluswhen either oik: or both are broken.
. A practical treatise on fractures and dislocations. .Occasionally the productive process excited by the fracture extends farbeyond the limits of the latter, and not only may the joint itself beobliterated by fusion of the bones which constitute it, but the processmay also spread to and produce the same result in neighboring jointsas in the case represented in Fig. 27. Bones which lie parallel and close to each other, as those of the fore- THE REPAIR OF FRACTURES AND THE CLINICAL COURSE. 63 arm and leg and the ribs, may become united by an exuberanl calluswhen either oik: or both are broken. This consolidation is most likelyto OCCUr when both bones are broken at the same level, and when dis-placement of one or more of the fragments diminishes the normal inter-val between them. The mass of granulations developed about onefracture becomes continuous with that developed about the other, andossification follows. The presence of an interosseous membrane favorsthis result, for this tissue has the same tendency to ossify that is shown Fig. Fig. 28.
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