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Medical Dictionary

orthodiagram

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noun or·tho·di·a·gram \-ˈdī-ə-ˌgram\

Medical Definition of orthodiagram

  1. :  a tracing showing the outer contours and exact size of an organ (as the heart) made by illuminating the edge of the organ with parallel X-rays through a small movable aperture and marking the outer edge of the shadow cast upon a fluoroscopic screen




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