Literally meaning: “the process of writing the slices”
Origin: Anc Greek
τομή/tome(=section, slice, trunk, stalk) >τέμνω/temno(=cut)
-γραφία/graphia(=-graphy, a combining form denoting something written or represented as in words biography, geography, photography > γράμμα/gramma(=letter)
Radiology began as medical speciality in first decade of the 1900’s after the discovery of x-rays by German physicist Prof Wilhelm Conrad Rontgen (1845-1923) . CT imaging (Computed Tomography) was invented in 1972, in
, by Sir Godfrey Hounsfiel (1919-2004) who used gamma rays and a detector together with a digital computer to create detailed cross sectional images of objects reconstructing data into a single image in more than 24 hours. England
Tomography is the technique for produsing images by sections (cross-sectional) using X-rays, ultrasound or gamma rays. The device used in tomography is called tomograph anf produced image tomogram.