This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'Which of these is not a tributary of cavernous sinus? \nSelect and explain. \nA. Sphenoparietal sinus, B. Superior petrosal sinus, C. Superficial middle cerebral vein, D. Inferior ophthalmic vein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tributaries of cavernous sinus are: From the orbit-1. Superior ophthalmic vein 2.inferior. ophthalmic vein 3.central vein of the retina From the brain-1.superficial middle cerebral vein 2.inferior cerebral vein From the meninges-1.sphenoparietal sinus 2.frontal trunk of middle meningeal vein Notes: Superior petrosal sinus is one of the paired venous sinuses of cranial venous sinus. Ref fig 12.6 pg 194 BDC 6th edition <img src=" /> Ref: BDC 6th edition pg :194(3rd vol)', 'role': 'assistant'}]