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sagittal plane(1) Median plane, see there.
(2) Parasagittal plane, see there.
sag·it·tal plane(saj'i-tăl plān) [TA]
sagittal planeThe front-to-back longitudinal vertical plane that divides the upright body into right and left halves.
cardinal planes of the bodyfrontal (coronal), sagittal (median) and horizontal (transverse) planes of the body, each of which is oriented on the three planes of space
coronal/frontal plane plane equally dividing anterior and posterior aspects; it lies at right angles to sagittal and horizontal planes
horizontal/transverse plane plane parallel to the ground or horizontal surface; equally dividing superior and inferior areas; it lies at right angles to both sagittal and frontal planes
sagittal/median plane plane equally dividing left and right sides; it lies at right angles to both transverse and frontal planes