An autoradiograph is an image on an x-ray film or nuclear emulsion produced by the pattern of decay emissions from a distribution of a radioactive substance.

What is an autoradiogram used for?

Autoradiography: A technique using X- ray film to visualize molecules or fragments of molecules that have been radioactively labeled.

How does an autoradiogram work?

Autoradiography is an imaging technique that uses radioactive sources contained within the exposed sample. ... In in vivo autoradiography, radioisotopes are coupled with radioactive tracers and administered orally or via injection, and the distribution of radiation is evaluated in thin tissue or whole-body cryosections.