Autoradiograph


a picture revealing the presence of radioactive material, the film being laid directly on the object to be tested.
noun
a photograph showing the distribution of a radioactive substance in a specimen. the photographic plate is exposed by radiation from the specimen also called radioautograph

autoradiograph au·to·ra·di·o·graph (ô’tō-rā’dē-ō-grāf’)
n.
an image recorded on a photographic film or plate produced by the radiation emitted from a specimen, such as a section of tissue, that has been treated or injected with a radioactively labeled isotope or that has absorbed or ingested such an isotope. also called radioautograph.
au’to·ra’di·o·graph’ic adj.
au’to·ra’di·og’ra·phy (-ŏg’rə-fē) n.

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