CSF is directly returned to venous system by _____________?
Correct answer: C. Arachnoid villi
- A. Choroid plexus
- B. Cerebral veins
- C. Arachnoid villi
- D. Emissary veins
Explanation
Arachnoid villi or granulations project into dural venous sinuses and allow CSF to pass directly into the venous circulation. The choroid plexus produces CSF rather than returning it to the blood.
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