sagittal plane
(redirected from plana sagittalia)Also found in: Dictionary, Medical.
Related to plana sagittalia: frontal plane, transverse plane, parasagittal plane, midsagittal plane, coronal plane
sagittal plane
[¦saj·ə·təl ¦plān] (optics)
A plane that is perpendicular to the meridional plane of an optical system and contains a specified ray. Also known as equatorial plane.