35-year-old woman presents to OPD with complains of headache after hitting her head accidentally with the wall while doing household chores . An MRI was ordered which confirmed presence of blood clot in the great cerebral vein of Galen. Obstructed vein is a direct tributary of which of the following venous structures?
Emissary veins Pterygoid venous plexus Diploic veins Dural venous sinuses