Endolymphatic duct connects which structure?
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
Scala media to subdural space
Scala vestibule to aqueduct of cochlea
Scala tympani to aqueduct of cochlea
Scala tympani to subdural space