a picture revealing the presence of radioactive material, the film being laid directly on the object to be tested.
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’)
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·og’ra·phy (-ŏg’rə-fē) n.
the technique or process of making autoradiographs.
the continual automatic adjustment or self-regulation of a biochemical, physiological, or ecological system to maintain a stable state. autoregulation au·to·reg·u·la·tion (ô’tō-rěg’yə-lā’shən) n. The tendency of the blood flow toward an organ or part to remain at or return to the same level despite changes in arterial pressure. A biological system equipped with inhibitory feedback systems […]
the condition of flight occurring when lift is derived solely from the action of air upon the unpowered rotor of a moving helicopter or autogiro. noun the continuous rotation of a body in an airflow, such as that of the rotor blades of a helicopter in an unpowered descent
noun (computing) a feature of computer keys whereby a character is generated repeatedly as long as the user holds down the key in question verb (intransitive) (computing) (of a computer key) to go on automatically regenerating a character