Otolith meaning

ō'tə-lĭth'
One of the small calcareous particles found in the inner ear of many vertebrates, especially fishes, which are involved in determining body orientation and sometimes in perceiving sound.
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A tiny, bonelike particle or stony, platelike structure in the internal ear of lower vertebrates.
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A similar calcareous concretion in the statocyst of many invertebrates.
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One of the small calcareous particles found in the inner ear of many vertebrates, especially fishes, which are involved in determining body orientation and sometimes in perceiving sound.
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(zoology) A small particle, comprised mainly of calcium carbonate, found in the inner ear of vertebrates, being part of the balance sense.
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Origin of otolith

From Ancient Greek ωτο (ōto), stem of οὖς (ous, “ear") + λίθος (lithos, “stone").