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| cu·pu·la [ kypyələ, kypələ ] (plural cu·pu·lae [ kypyə l, kypə l ]) |
noun |
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| Definition: |
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gelatinous cap detecting motion: a tiny gelatinous cap found in sensory structures that detect motion, including the semicircular canals of the ear. It floats in fluid and bends the projections of sensory cells when the fluid moves.
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| [Early 19th century. < late Latin (see cupule)] |
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