This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
Two internal cerebral veins fuse to form 
Select and explain. 
A. Middle cerebral vein, B. Anterior cerebral vein, C. Great cerebral vein, D. Inferior cerebral vein
C: Great cerebral vein
Answer: C: Great cerebral vein 
Explanation: The two internal cerebral veins unite together beneath the splenium of corpus callosum to form the great cerebral vein(of GALEN).*After a sho backward course, it joins the Inferior sagittal sinus to form the straight sinus.The tributaries are :Internal cerebral veinsBasal veinsVeins from colliculiVeins from cerebellum and adjoining pas of occipital lobe(Ref: Vishram Singh textbook of clinical neuroanatomy second edition pg-181)