what are part in ears ?
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Ear drum,Ear canal,Incus,Malleus,Cochlea,Stapes,Inner ear,Outer ear,Middle ear, Semicircular canals
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- Besides the cochlea, the internal ear also has the vestibular apparatus.
- It is composed of three semi-circular canals and ihe utriculo saccular region.
- All three semi-circular canals lie in different planes at right angles to each other.
- These canals are filled with endolymph. The base of each of the canal has an ampulla in which there is a sensory ridge called crista. The structure is crista ampullaris.
- The vestibule has two sensory spois - macula of saccule and utricle. The utricle is larger than saccule.
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