(rā-dē-ŏl′ō-jĭst) [L. radius, ray, + Gr. logos, word, reason] A physician who uses x-rays or other sources of ionizing radiation, sound, or radiofrequencies for diagnosis and treatment.
A midlevel radiologic practitioner who works under the supervision of a radiologist. In the U.S., radiologist assistants are credentialed by the American Registry of Radiologic Technologists (AART).
(rā-dē-ŏl′ō-jē) The branch of medicine concerned with radioactive substances, including x-rays, radioactive isotopes, and ionizing radiation, and the application of this information to prevention, diagnosis, and treatment of disease.
radiology information system
ABBR: RIS. A computer system used in health care radiology facilities to help manage patient appointments, scheduling, and tracking of files; radiologic work flow; staff assignments; digital imaging; data storage; and the display and reporting of the interpretations of images by radiologists.
(rā″dē-ō-lū′sĕn-sē) [″ + lucere, to shine] The property of being partly or wholly penetrable by radiant energy.
(rā″dē-ō-lū′sĕnt) [″ + lucere, to shine] Penetrable by x-rays.
(rā-dē′ō-lŭs) [L., a little ray] A sound or probe.
(rā-dē-ŏm′ĕ-tĕr) [″ + Gr. metron, measure] An instrument for measuring the intensity of radiation.
(rā″dē-ō-mī-krŏm′ĕ-tĕr) [″ + Gr. mikros, small, + metron, measure] An instrument for measuring small changes in radiation.
(rā-dē-ä-miks) The extraction and radiologic analysis of information from diagnostic images.
(rā″dē-ō-mĭm-ĕt′ĭk) [″ + Gr. mimetikos, imitation] Imitating the biological effects of radiation. Alkylating agents are examples of substances with this property. SEE: alkylating agent.
(rā″dē-ō-mŭs′kū-lăr) Pert. to the radius or radial artery and the muscles of the arm.
(rā″dē-ō-mū-tā′shŭn) The permanent alteration of the genetic material of a cell caused by the effects of ionizing radiation.
(rā″dē-ō-nĕ-krō′sĭs) [″ + Gr. nekrosis, state of death] The disintegration of tissue resulting from exposure to ionizing radiation.
(rā″dē-ō-nū-rī′tĭs) [″ + Gr. neuron, sinew, + itis, inflammation] Inflammation of a nerve caused by exposure to radioactivity.
(rā″dē-ō-nū′klīd) An atom that disintegrates by emitting electromagnetic rays, known as gamma rays.
(rād″-ē-ō-pāk′) Impenetrable to x-rays or other forms of radiation. SYN: radiodense.
(rā″dē-ō-pă-thŏl′ō-jē) [″ + Gr. pathos, disease, ...