otolith(redirected from Otolith organ)
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1. a granule of the statoconia.
2. a solid or semisolid body occurring in the labyrinth of animals.
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.
otolith(1) An auditory ossicle.
(2) A larger calcified concrement within the ear.
(3) A minute calcium carbonate granule located near the sensory hair cell in the inner ear; statolith.