Anatomy Magendie foramen or the median apeure drains CSF from which of the following structures to the cisterna magna? A Lateral ventricle B 3rd ventricle C 4th ventricle D Interpeduncular fossa 💡 Explanation Magendie foramen or the median apeure drains CSF from which of the following structures to the cisterna magna? ✓ Correct Answer: C. 4th ventricle