Semi-circular canal - Hutchinson encyclopedia article about Semi-circular canal Printer Friendly
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semicircular canal
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semicircular canal

One of three looped tubes that form part of the labyrinth in the inner ear. They are filled with fluid and detect changes in the position of the head, contributing to the sense of balance.
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The inner ear is located within your skull and consists of the cochlea, a chamber shaped like a snail shell, where sound is transformed to nerve signals for the brain, and 3 semi-circular canals that function like a gyroscope, relaying information about head position and movement to the brain.
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Vestibular and semi-circular canal erosions were noted (Figs 3 and 4).
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Inside, there is the eardrum, the bones of the middle ear, and the fluid-filled semi-circular canals of the inner ear.
Watch & listen by Children's Digest
 
 
 
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