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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Endolymphatic duct connects which structure?
assistant
The correct answer is  Endolymphatic duct - It is a pa of membranous labyrinth (Scala media)It is formed by union of saccule and utricleIt connects scala media to subdural spaceIts terminal pa is dilated to form the endolymphatic sacEndolymphatic sac lies between the two layers of dura on the posterior surface of petrous boneSurgical impoance - Endolymphatic sac is exposed for drainage or shunt operation in Meniere's disease