Radiology

1) The science of high energy radiation and of the sources and the chemical, physical, and biologic effects of such radiation; the term usually refers to the diagnosis and treatment of disease. 2) The scientific discipline of medical imaging using ionizing radiation,...

Radiopaque

Impenetrable by x-rays or any other form of radiation. Radiopaque dye (one that is highlighted on x-rays) is used in cerebral angiograms to detect the degree of narrowing or obstruction of an artery or blood vessel in the brain, head, or neck; in the diagnosis of...