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146  SECTION I  III  The Birds




































                                     A


































                                               B
                    Figure 14-5 • A, Orientation and close-up (B) ventrodorsal projections of a chronically infected right carpometacarpal joint in a hawk. The

                    distal ulna was fractured 3 months earlier, presumably the result of flying into a power line. Attempts to eradicate the associated infection
                    failed. The distal ulna, including its fractured articular subsurface, has partially disappeared, creating the impression of a widened cartilage
                    space. This illusion is further enhanced by carpal and proximal metacarpal bone loss.
















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