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photoelectric effect |
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effect, n the result of an action. effect, heel (anode heel effect), n the variation of intensity over the cross section of a useful radiographic beam, caused by the angle at which radiographs emerge from beneath the surface of the focal spot, which causes a differential attenuation of photons composing the useful beam. effect of external radiation on bone, n See osteoradionecrosis. effect of function on bone, n See law, Wolff's. effect, photoelectric, n the process by which radiographic images are produced when the energy of an incident photon is absorbed as the result of bound electron ejection. effect, wedging, n an effect produced by food impaction that forces the teeth apart. photoelectric effect Radiology That fractional ↓ in beam intensity of ionizing radiation due to photoelectric effect in a medium through which it passes. See Attenuation coefficient. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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