system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Deep venous system of brain consist of
assistant
The correct answer is  It is single median vein formed by union of 2 internal cerebral vein. along with inferior petrosal sinus terminate in straight sinus. Its tributaries are basal vein, veins from pineal body, colliculus, cerebellum& occipital lobes. Ref: Gray's 40e/p256