collimation

collimation definition - medical

col·li·ma·tion (kŏlˌə-māˈshən)

noun
  1. The process of restricting and confining an x-ray beam to a given area.
  2. In nuclear medicine, the process of restricting the detection of emitted radiations to a given area of interest.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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