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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.
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The arachnoid villi responsible for cerebrospinal fluid absorption protrude mainly in the -
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The correct answer is  The main site of absorption is through arachnoid villi and arachnoid granulations into subdural venous sinuses. These arachnoid villi and granulations are most numerous in superior sagital sinus and its lateral lacunae.