Deep cortical veins drain into which structure before entering the straight sinus?

Deep cortical veins drain into which structure before entering the straight sinus?

• A. Superior sagittal sinus
• B. Cavernous sinus
• C. Great cerebral vein
• D. Transverse sinus

Answer: (C)

Deep cortical venous drainage collects the deep veins of the brain—principally the internal cerebral veins and the basal veins (veins of Rosenthal)—which converge to form the great cerebral vein (vein of Galen). This vein then drains into the straight sinus. That pathway makes the great cerebral vein the key structure these deep veins drain into before reaching the straight sinus. The other options don’t fit this route: the superficial system feeds the superior sagittal sinus, the cavernous sinus handles orbit and facial drainage, and the transverse sinus is the continuation after the straight sinus, not the immediate recipient of the deep veins.

Deep cortical venous drainage collects the deep veins of the brain—principally the internal cerebral veins and the basal veins (veins of Rosenthal)—which converge to form the great cerebral vein (vein of Galen). This vein then drains into the straight sinus. That pathway makes the great cerebral vein the key structure these deep veins drain into before reaching the straight sinus. The other options don’t fit this route: the superficial system feeds the superior sagittal sinus, the cavernous sinus handles orbit and facial drainage, and the transverse sinus is the continuation after the straight sinus, not the immediate recipient of the deep veins.