Home Search Site About MultiEducator The Colonies For Educators American History World Timeline Election Central NationbyNation Primary Source Documents 20th Century Almanac Aviation History Navy History Railroad History America's Wars Revolutionary War War of 1812 Mexican American Civil War Spanish American World War I World War II Korean War Vietnam War Desert Storm Enduring Freedom Iraqi Freedom Biographies Presidents First Ladies 20th Century 500 Amistadt Civics History of Israel Other Links About Historycentral Advertise Contact US

CAT Scan Developed (8/25/73) The CAT Scan, which stands for Computerized Axial Tomography, was introduced to the medical world. The CAT Scan produces three-dimensional images of internal organs of the body.