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Question
The enlargement at one end of each semicircular canal is known as
The enlargement at one end of each semicircular canal is known as
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Solution
The correct option is C Ampulla
The enlargement of one end of semi-circular canal is called ampulla. It is the swollen base of semi-circular canals which are three semi-circular and interconnected tubes present in inner ear. These are a part of bony labyrinth. They contain a fluid called endolymph. Ampulla contains a projecting ridge called crista ampullaris. It contains hair cells having cytoplasmic projections on the apical end called stereocilia. Crista contains receptors that sense movements in body and maintain dynamic equilibrium.So, the correct answer is 'Ampulla'.
The enlargement of one end of semi-circular canal is called ampulla. It is the swollen base of semi-circular canals which are three semi-circular and interconnected tubes present in inner ear. These are a part of bony labyrinth. They contain a fluid called endolymph. Ampulla contains a projecting ridge called crista ampullaris. It contains hair cells having cytoplasmic projections on the apical end called stereocilia. Crista contains receptors that sense movements in body and maintain dynamic equilibrium.
So, the correct answer is 'Ampulla'.
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