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Ball and Socket |
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Ball and Socket Referring to a morphology in which there is a sharply circumscribed round mass surrounded by a clear or lucent space followed by a density similar to the first central ‘ball’ Imageing An appearance of the sequelae of epiphyseal fractures with a primary fusion of the central portion of the epiphysis, appearing as a ball within a relatively radiolucent ‘socket’, seen in infantile scurvy, battered child syndrome, and acromelic dwarfism Parasitology An appearance typical of the trophozoites and occasionally the cysts of Endolimax nana and Iodamoeba buetschlii, in which there is a large, deeply staining karyosome lying in an empty space; the nuclear membrane is not visualized as the chromatin is not peripheral Rheumatology A descriptor for the radiologic appearance of compressive erosions in the interphalangeal joint of rheumatic diseases, where a central sclerotic zone is surrounded by an osteoporotic ‘ring’ Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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