Sag·it·tal a.
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.
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interparietal suture
n : the suture uniting the two parietal bones [syn: sagittal
suture, sutura sagittalis]