This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Endolymphatic duct connects which structure 
Select and explain. 
A. Scala media to epidural space, B. Scala vestibule to aqueduct of cochlea, C. Scala tympani to aqueduct of cochlea, D. Scala tympani to subdural space
A: Scala media to epidural space
Answer: A: Scala media to epidural space 
Explanation: Endolymphatic duct formed by the union of two ducts, one each from saccule and utricle. Surgically it is exposed for the drainage or shunt operation in Meniere&;s disease. Reference Dhingra 6th edition