Most potential route for transmission of Meningitis from CNS to Inner ear is:: (A) Cochlear Aqueduct, (B) Endolymphatic sac, (C) Vestibular Aqueduct, (D) Hyl's fissure
Answer is A. Most potential route for transmission of Meningitis from CNS to Inner ear is Cochlear Aqueduct. The scala tympani is closed by secondary tympanic membrane; it is also connected with the subarachnoid space through the aqueduct of cochlea. Hence the infections from meninges can spread to inner ear.