Skip to Content
Medical Term:


Pronunciation: lat'er-al


  1. On the side.
  2. Farther from the median or midsagittal plane.
  3. In dentistry, a position either right or left of the midsagittal plane.
  4. A radiographic projection made with the film in the sagittal plane; especially, the second view of a chest series.

Synonym(s): lateralisTA

[L. lateralis, lateral, fr. latus, side]

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