inferior sagittal sinus

inferior sagittal sinus (plural inferior sagittal sinuses)

1. (anatomy) One of two venous sinuses of the dura mater lying in the posterior two thirds of the concave free inferior margin of the falx cerebri and ending posteriorly by joining the great cerebral vein to form the straight sinus.

   Coordinate term: superior sagittal sinus

• “sagittal sinus”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.