Computerized tomography and X-raying

Computerized tomography noun - A method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis.

X-raying and computerized tomography are semantically related. In some cases you can use "X-raying" instead a noun phrase "Computerized tomography".

X-raying noun - Obtaining images by the use of X rays.

Computerized tomography and X-raying are semantically related. Sometimes you can replace phrase "Computerized tomography" with "X-raying", this phrases are similar.