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What is Not a pa of bony labyrinth? and explain in detail?
The inner ear within the petrous pa of temporal bone consists of a membranous labyrinth enclosed in a bony (osseous) labyrinth. So, inner ear has two pas : ? 1) Bony labyrinth :- Cochlea, Vestibule, Semicircular canals. 2) Membranous labyrinth :- Cochlear duct, utricle, Saccules, three semicircular ducts, and endolymphatic duct & sac.