Skip to Content


Pronunciation: an′ter-ō-pos-tēr′ē-or


  1. Relating to both front and rear.
  2. In x-ray imaging, describing the direction of the beam through the patient (projection) from anterior to posterior, an A-P projection of the abdomen; or the direction of view (A-P view) when a film is viewed as if one is facing the patient (anterior to posterior) regardless of projection.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.