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Where are the following structures locat...

Where are the following structures located ?
(i) Macula
(ii) Crista
(iii) Basilar membrane

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(i) Macula is located in the wall of the utriculus and saculus of membranous labyrinth.
(ii) Each ampulla of semicircular ducts has a sensory spot called crista.
(iii) The floor of the middle chamber of cochlea (scalla media) is called basilar membrane.
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