资料来源 : pyDict

前后向的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Sagittal \Sag"it*tal\, a. [L. sagitta an arrow: cf. F.
   sagittal.]
   1. Of or pertaining to an arrow; resembling an arrow;
      furnished with an arrowlike appendage.

   2. (Anat.)
      (a) Of or pertaining to the sagittal suture; in the region
          of the sagittal suture; rabdoidal; as, the sagittal
          furrow, or groove, on the inner surface of the roof of
          the skull.
      (b) In the mesial plane; mesial; as, a sagittal section of
          an animal.

   {Sagittal suture} (Anat.), the suture between the two
      parietal bones in the top of the skull; -- called also
      {rabdoidal suture}, and {interparietal suture}.

资料来源 : WordNet®

sagittal
     adj : located in a plane that is parallel to the central plane of
           the sagittal suture