Anatomy The perilymph, present in the scala vestibule and scala tympani, drains into the CSF through the A Aqueduct of cochlea B Aqueduct of vestibule C Ductus reunions D Cochlear duct 💡 Explanation The perilymph, present in the scala vestibule and scala tympani, drains into the CSF through the ✓ Correct Answer: A. Aqueduct of cochlea