Scala tympani and vestibuli is drained by:
Correct Answer: Perilymphatic duct
Description: Ans: B (Perilymphatic duct) Ref: Grays Anatomy 40th EdExplanation:Perilymph:It fills the bony labyrinth (scala tympani & scala vestibule)It is similar to CSFIt is drained by perilymphatic duct into the adjoining subarachnoid spaceEndolymph:It fills the membranous labyrinthHas high K+ and low Na+ similar to intracellular fluidIt is produced by specialized cells in the wall of cochlear ductIt is drained via endolymphatic duct
Category:
Anatomy
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