Anatomy of Inner Ear
Anatomy : 2 parts : i ) Membranous ii) Bony Membranous labyrinth is the actual inner ear . Bony labyrinth is the bony cover of membranous labyrinth . Fluids of inner ear : Inner ear filled with endolymph and surrounded by perilymph . Stria vascularis of Cochlea secretes Endolymph which is present in endolymphatic space .Perilymph = CSF NOTE :Perilymph is connected to CSF through aqueduct of cochlea . That is why in a case of meningitis deafness can occur . So BERA should be done before discharge . Endolymph has high Potassium low sodium . Perilymph has high Sodium and low potassium. (Tips : How to re...
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