sagittal

(saj'I-tal) [L. sagitta, an arrow.] Resembling an arrow in the line of an arrow shot from a bow, i.e. in an anteroposterior direction, s. crest, a prominent ridge along the s. suture of the skull, present in certain animals, s. groove, sulcus sagittal is, the groove on the internal surface of the skull lodging the superior longitudinal sinus, s. line, any anteroposterior line, s. the s. suture or one parallel to it. s. sinus, the superior longitudinal sinus, s. sulcus, s. groove. s. suture, the interparietal suture.